Get window width javascript innerWidth || document. innerWidth property works well if you need to detect the size of the window at a particular point in time, such as when the page first loads or when a function executes. Either of these work fine in Firefox: Oct 10, 2011 · How can I make jQuery do something if my screen width is less than 960 pixels? The code below always fires the 2nd alert, regardless of my window size: Sep 24, 2023 · Get the window width and height in JavaScript using a cross-browser function that works with all versions of Internet Explorer and Firefox. devicePixelRatio. Apr 5, 2013 · 28 Is there any way to get the browser width and height after a user has resized the window. findDom Jul 3, 2022 · In this short article, we will show you how to get the window screen size using JavaScript. What you mention in the title, however, is possible using CSS as @FakeRainBrigand says Oct 18, 2011 · You can always get the web page dimensions, no matter if the page is loaded inside an iframe or a new window it always works the same way. innerWidth; // Width of the viewport, not including dev tools, scroll bars, etc. body. screen Object You can simply use the width and height property of the window. Again, open the browser console quickly to figure something out. Jul 7, 2016 · window. 15 screen. I want to provide my visitors the ability to see images in high quality, is there any way I can detect the window size? Or better yet, the viewport size of the browser with JavaScript? See green a Description The innerHeight property returns the height of a window's content area. Here is some more information on the window height and width that could be useful. innerHeight - the inner height of the browser window (in pixels) window. Jun 23, 2023 · Discover easy techniques to get viewport width in JavaScript! Breakdown of methods, code snippets, and clear explanations for beginners and pros alike. But from my experience it's easy to get confused in the bunch of sizes: screen, window, web page sizes. innerHeight properties gives the dimensions of the viewport window. Use One Line of Code in The Browser Console to Get Width in JavaScript First, open your browser console and copy-paste the following code in the browser console. height * window. These properties return the interior height and width of the window in pixels. com/webstylepress/Tutorials As commented, you can just use window. screen object to get the resolution of the screen (i. Mar 12, 2024 · Note: For IE 8 i. open asked May 23, 2013 at 9:24 Yaron Levi When the window has scrollbar (added by the browser), the window. I want to resize a browser popup window's width and height. clientWidth || document. Jun 26, 2022 · Don’t take width/height from CSS We’ve just covered geometry properties of DOM elements, that can be used to get widths, heights and calculate distances. Jun 8, 2010 · Is there any way with jQuery or JavaScript to trigger a function when the user ends to resize the browser window? In other terms: Can I detect mouse up event when user is resizing the browser wind Jun 12, 2009 · How can I determine the height of a horizontal scrollbar, or the width of a vertical one, in JavaScript? Jan 24, 2011 · How do you find the current width of a &lt;div&gt; in a cross-browser compatible way without using a library like jQuery? Mar 29, 2024 · I am sorry to find, yes, it seems the package has a simple way to get the window size, but I just test, it is not stable, and just show once time seemly the width shown, but when I tried more, the width number didn’t change, I resized my windows once and once ,and then refresh my chrome, after I change my windows, but no useful. Screen size impacts everything from layout to image sizing to accessibility. My understanding is that ReactDOM. However, on Firefox and Chrome, both return the value without the Get the Size of the Window with Javascript and JQuery Plain ol' Javascript: window. The atan2(y, x) function returns the angle (in radians) from the x-axis to the point (x, y). How to Detect Screen Resolution with JavaScript Topic: JavaScript / jQuery Prev | Next Answer: Use the window. Download Code: https://github. width and window. And from Ben in another answer Get the current computed width for the first element in the set of matched elements or set the width of every matched element. On IE 10, it does return the full browser width, include the scroll bar. Here's my code: Feb 5, 2023 · Sometimes you need to get the viewport width (or height) in JavaScript – probably to adjust an element based on the window size. To help with this, almost… Object-Oriented JavaScript — Properties of WindowJavaScript is partly an object-oriented language. Oct 4, 2013 · I looked at the following: jquery - how to get screen width without scrollbar? how to get the browser window size without the scroll bars So what I need is for a method to return the value of my viewable screen minus the respective scrollbar value so for my width, my value should be 1425 because the scrollbar is 15 pixels wide. Sep 10, 2014 · I need to dynamically get the screen size of all mobile devices from a webpage using Javascript. innerWidth though, is the inner width of the browser window. Jul 12, 2025 · Method 1: Using resize event We can add an event listener to the body element which fires whenever the window size is resized. It shows the number of pixels in the viewable browser space, and the screen width is the total size of the screen in pixels. clientWidth height = window. e (Internet Edge 8) or earlier, use clientWidth and clientHeight to get the width and height of the window. Jun 28, 2013 · width = window. innerWidth returns the width of the viewport + the width of the scrollbar. innerWidth to get the width of the device screen. Sep 15, 2025 · The Screen interface represents a screen, usually the one on which the current window is being rendered, and is obtained using window. outerWidth read-only property returns the width of the outside of the browser window. When you're coding in JavaScript, screen width, or height can make a big difference as well. This is a function I've found used to get window dimensions, you can also use it to get an <iframe> dimensions. Jul 12, 2025 · Given an HTML document that is running on a device and the task is to find the width of the working screen device using JavaScript. Use window. Mar 22, 2019 · This is how to get the window width in vanilla JavaScript. Jan 28, 2021 · Originally posted here! To get the width and height of the window, you can use the innerWidth property and innerHeight property respectively in the global window object in JavaScript. innerWidth is the same as both screen. The innerWidth property is used to return the width of the device. I've done a little research on this but half Feb 10, 2015 · Get window width javascript Asked 11 years, 3 months ago Modified 10 years, 3 months ago Viewed 111 times Oct 25, 2013 · I tried to get browser window width with $(window). Feb 13, 2021 · Spread the love Related Posts Using JavaScript Objects Built into BrowsersJavaScript is commonly used in web browsers for rendering content. outerWidth, window. Sep 1, 2024 · Removing Units Now, we have obtained the screen width and height values, but they still include units. innerHeight is equal to the amount of area in the window of the page itself (the area of the web page). availWidth will not be equal). screen. a mobile device you have to multiply with the device pixel ratio: window. It has been created as a service and would be simple to create as NuGet package. Apr 8, 2014 · I want to get the window height and width including Address bar , status bar,etc How can I get the window full height and width as shown in the picture below ? Note : I know about the window. Here, we will simply use the window. let width = window. height dimensions. innerHeight; // Height of the viewport, not including any padding, toolbars, etc. May 2, 2025 · The resize event fires when the document view (window) has been resized. Nov 27, 2024 · We‘ve explored the various methods available in JavaScript to get screen size in pixels, including full display resolution, available viewport space, current window dimensions, and web page content width/height specifically. Dec 31, 2016 · the user can now resize, when the window is the correct size, how can I get the height and width please? I need to get these values so I can save it, next time the window opens it is the correct size. This needs Javascript - and a lot of results for that are just a Google away: javascript window size. Feb 2, 2024 · This article demonstrates how to find the window width value in React. window. This example displays the browser window's height and width (NOT including toolbars/scrollbars): See full list on developer. Feb 12, 2011 · I would like a method of getting the available window size across multiple browsers without using jQuery/Mootools/any third-party library dependencies. Sep 15, 2025 · Notes Note that not all of the width given by this property may be available to the window itself. Specifications Feb 2, 2024 · Get the Screen, Window, and Webpage Sizes in JavaScript Now we know the difference between the screen, window, and webpage. Jan 19, 2023 · The window. If you want to get the browser’s scrollbar width, you can use the following: function getBrwoserScrollbarWidth () { return window. you will get the resized window size if the user is not running full screen etc. width();. I've tried standard javascript and jquery but both return different results. Learn the impact of React get screen width functionality in React applications. Learning JavaScript enables web developers to create dynamic and responsive web designs. The good news is, it’s easy and quick! May 17, 2024 · To get the screen dimensions, you can use the screen. clientHeight; For my SGS3, which has the resolution 720x1280 I get the 360x567. For example if the window is 1920 by 1080 and the user changes the window to 500 by 500 is there any way to get those two new values in JavaScript or jquery? Dec 12, 2024 · The Window Object The window object in JavaScript is a global object that represents the browser window. See also screen. I have tried this: Feb 7, 2021 · How to get the window width with JavaScript 2 min read. innerWidth - document. This example displays the browser window's height and width (NOT including toolbars/scrollbars). e. Example: This example shows the use of the above-explained approach. But as we know from the chapter Styles and classes, we can read CSS-height and width using getComputedStyle. Sep 25, 2019 · Javascript window. availWidth (unless there is a taskbar on the side, in which case screen. Oct 22, 2016 · The getPrimaryDisplay method (or every object in the array returned by the getAllDisplays method) will have a structure similar to: You can read more about the screen module in the documentation of Electron here. Jun 22, 2020 · To detect whether the browser window is in landscape or portrait mode, you can compare the browser window's width and height. Thanks! I have tryied @code{ public WindowState State { get; set; } = WindowState. innerHeight() but using ReactJS, I'm not sure how to get this information. Example 1: This example uses window. The innerWidth and innerHeight properties return the width and height of the window's content area. Description The onresize event occurs when the browser window has been resized. This time, I need the width and height of the current window for clublink. Aug 8, 2017 · Screens differ in size and the way they display colors. availWidth. # Get window Width and Height on resize in React To get the width and height of the window on resize in React: Use the innerWidth and innerHeight properties on the window object. Dec 13, 2024 · Now, when you resize the browser window, the width of #responsiveBox will change, triggering the adjustFontSize function. documentElement, that corresponds to the <html> tag. clientWidth; } With the window. Description The innerWidth property returns the width of a window's content area. Aug 10, 2021 · My thought process was to store the screen width in a state then when it's below my breakpoint I set the display: none . in most other browsers – as well as IE9 (standards mode): window. In this comprehensive guide, you‘ll learn multiple techniques for getting screen dimensions […] How can I calculate the width and height of a &lt;div&gt; element, so as to be able to center it in the browser's display (viewport)? What browsers support each technique? Feb 14, 2018 · How to get document height and width in pure javascript i. mozilla. Get window width and height to check current browser screen size. Use the stated code for the window width i. Dec 24, 2017 · If you want to set the maxWidth or minWidth browser screen size like media query dynamically in JavaScript and then define styles or anything else, you can use the Window interface's matchMedia () method. i have 2 div elements if window size is 568px means, the div1 wants to 38% and div2 is 62%. Oct 31, 2019 · I'm trying gu get the window width for responsive stuff. I need to get browser window size , and set the window size to the div size in javascript. Improve your responsive designs without relying on JavaScript. I can't use ID in the upper div so that I can have the width of the element by ID because I want a re-usable code because it should be used many places in the page. The overflowing content can be manipulated with the overflow property. outerHeight gives the dimensions of the full browser window that includes the location bar, menu etc. innerWidth, we will get the width of the browser. The innerHeight property is read only. I know the screen API, but its result not what I wanted. devicePixelRatio and window. innerHeight || document. (code updated) Getting the Viewport size using JavaScript To get the width and height of a viewport, we can use the innerWidth and innerHeight properties of the window object. Example: In this example we retrieve and display the inner width and height of the browser window using JavaScript, showing the dimensions dynamically in a paragraph element. If you resize the browser window, window. This article dives deep into handling window sizes and scrolling with Apr 3, 2025 · The read-only innerHeight property of the Window interface returns the interior height of the window in pixels, including the height of the horizontal scroll bar, if present. outerWidth and window. The answers to this question cover basically every different approach to retrieving screen/window sizes. width (), but I want to do this in javascript. width. width will always be 1600. I use jQuery for capturing window resize event. Sep 11, 2024 · A CSS-only method to track browser window size in real-time. detect screen size for responsive web page design using javascript or jquery. org Jul 12, 2025 · In this article, we will know to calculate the width & the height of the window using Javascript. In Quirks Nov 20, 2018 · In css I have this @media screen and (max-width: 860px) { } what would be the equivalent javascript code to get the same width value that the css uses for @media max-width? Jun 7, 2022 · Use the window screen object with the width property to get the screen width/size in JavaScript. screen to get the height and width of the screen. innerWidth; This gets the window width and stores the value in a variable. Jul 26, 2010 · I am looking for a code snippet to get the height of the viewable area within a browser window. innerHeight and window. In order to retrieve the height and width of the screen, you can rely on the size property of the returned screen object: Blazor Browser Get Size & Resize Event A very simple and lightweight example to show how the JavaScript Interop can be used to get the initial size of the browser and then to be notified in any page/component when the browser size changes. Let’s write some code to get the size of each dimension with the help of JavaScript. How can we remove the units to get pure numeric values? It's a matter of math, so we need to use the mathematical tools in CSS: atan2(y, x) and tan(). Is there a way to get those values (height and width of the whole window) ? javascript dimensions window. innerWidth, window. For example, on iOS a declaration of max-width:640px will target both Feb 13, 2021 · How to Get The Window Size With JavaScript The Width and Height of the browser Window can be obtained through the innerWidth and innerHeight properties; these can be checked by an event handler to detect resize events. offsetWidth); But its problem that it fail if the body has width 1 Jun 26, 2022 · Window sizes and scrolling How do we find the width and height of the browser window? How do we get the full width and height of the document, including the scrolled out part? How do we scroll the page using JavaScript? For this type of information, we can use the root document element document. Mar 14, 2023 · This concise, practical article shows you how to determine the size of the window in JavaScript. So why not to read the width of an element with getComputedStyle, like this? Description The width property sets or returns the width an element. width * window. The following code show how to get the width and height of the window in px: const windowWidth = window. Window Screen Available Width The screen. innerHeight to get the current screen size of a page. It represents the width of the whole browser window including sidebar (if expanded), window chrome and window resizing borders/handles. Mar 13, 2009 · How can I hook into a browser window resize event? There's a jQuery way of listening for resize events but I would prefer not to bring it into my project for just this one requirement. 1. height. I had this code, however it is somewhat bugged as if the the body doesn't exceed the height the of the I was wondering how I could constantly get the current browser's height and width. outerHeight get you proper outer, inner height and width of viewport screen and can use this while working on responsive design. The width property is read-only. I can set the popup window size but I want to convert the window size fit to contents size when a page is redirected to another page. Tip: Use the height property to set or return the height of an element. If I had the width and height of whole window, I could substract from it the page size. Any suggestions ? If you're using this on a Windows (metro) App, make sure you set the -ms-overflow-style property of the 'outer' div to scrollbar, otherwise the width will not be correctly detected. clientWidth; Window Size Two properties can be used to determine the size of the browser window. innerWidth and window. addEventListener("load", getWidth); window. log(document. Both properties return the sizes in pixels: window. Get Window Size Javascript With Code Examples This article will show you, via a series of examples, how to fix the Get Window Size Javascript problem that occurs in code. innerWidth, but for your specific case it should work just fine with what you have, you just need to call the function you've written: window. The innerWidth property is read-only. Apr 7, 2024 · If you need to get the height and width of a specific element, click on the following article. As it encompasses many properties, the ones we're most interested in for responsive design are innerWidth and innerHeight. width and height of the screen). to: These words keep going through my mind (it goes through any developer's mind actually): This shouldn't take long. When other widgets occupy space that cannot be used by the window object, there is a difference in window. outerHeight (the browser outer width/height) The following code sets the variables winW and winH to the inner width and height of the browser window, and outputs the width and height values. Firebug tells me body width is 1280px. availWidth update 2017-11-10 From Tsunamis in the comments: To get the native resolution of i. Jul 11, 2021 · For this, we must get the current width of the scrollbar. The width property returns the total width of the user’s screen. We’ll have a look at the fundamentals and then examine a complete example to get a deeper understanding. what can I do in this situation? Jul 20, 2010 · Depending on which mode of IE8 i'm in (quirks or standard) i get different values for the height and width. Getting the Window Size You can easily access the window size with the following Nov 15, 2023 · Knowing the screen dimensions available to your web page is crucial for providing an optimal viewing experience. innerHeight, window. Is there a way to get the users device width, as opposed to viewport width, using javascript? CSS media queries offer this, as I can say @media screen and (max-width:640px) { /* */ } and @media screen and (max-device-width:960px) { /* */ } This is useful if I'm targeting smartphones in landscape orientation. I found this one: console. Fortunately, JavaScript makes it easy to detect the screen width and height in the browser. Getting the window dimensions: Window size is the size of the browser window. The below code snippets can return different results of its screen resolution, web browser size, and the webpage size. Use window. documentElement. innerWidth. The following example will display your screen resolution on click of the button. Feb 7, 2013 · In Javascript screen means the display so use screen. Nov 23, 2024 · Discover effective methods to retrieve window and screen dimensions across major browsers for your web applications. The width property has effect only on block-level elements or on elements with absolute or fixed position. Feb 11, 2010 · window. width; var screenHeight = window. Feb 24, 2024 · Get the width of the scrollbar using JavaScript When working in a browser environment, it's often needed to calculate the width of the vertical scrollbar. For example, if your screen has resolution of 1600x900, screen. The question is how to access the screen width/viewport width in react? and is that the best approach for a responsive design? Apr 19, 2025 · The scrollWidth read-only property of the Element interface is a measurement of the width of an element's content, including content not visible on the screen due to overflow. Oct 17, 2011 · How can I detect window/browser size with jQuery like Gmail? In Gmail, we don't need to refresh or reload current page as soon as we have changed window resolution in window setting? In my project, I Description The resizeTo() method resizes a window to a new width and height. Default;} `@code{private Window myWindow = ?}` Oct 17, 2024 · Mastering to React get screen width is a fundamental skill for any developer. I know about $ (document). . Sep 1, 2024 · Removing Units Now, we have obtained the window width and height values, but they still include units. Jul 22, 2025 · Explore various JavaScript methods to accurately retrieve browser window and screen dimensions, crucial for responsive web design and dynamic layouts. This is the size that changes when the browser is resized. height () and $ (document). The window property has a lot of useful properties and methods that we can use to get information about the browser, including the viewport's width and height. It might be more useful to create a conditional statement to check if the window width is greater or less than a specific value. Apr 3, 2025 · Window. innerWidth - the inner width of the browser window (in pixels) Oct 17, 2011 · How can I detect window/browser size with jQuery like Gmail? In Gmail, we don't need to refresh or reload current page as soon as we have changed window resolution in window setting? In my project, I Description The resizeTo() method resizes a window to a new width and height. height properties: var screenWidth = window. Dec 12, 2014 · I'm trying to get previous and current window width via JS. Dec 6, 2019 · 4 I may not understand your question correctly, but if you're looking for the height and width of the browser window, you could use window. Apr 26, 2016 · How do I get the viewport height in ReactJS? In normal JavaScript I use window. Use the property to get the total height of the user's screen. Aug 12, 2020 · To get the width and height of the browser window, you can use the innerWidth and innerHeight properties of the window object. width, screen. Description The width property returns the total width of the user's screen. documentElement. How are these sizes defined, and, importantly, how to access them is what I'm going to discuss in this post. availHeight window. Tip: To get the size of an element, use the clientWidth, clientHeight, innerWidth, innerHeight, outerWidth, outerHeight, offsetWidth and/or offsetHeight properties. This will also work on desktops, which will have a ratio of 1. e without using jquery. Jun 6, 2024 · Get width of an HTML element as well as difference of using innerWidth, offsetWidth, clientWidth, scrollWidth getBoundingClientRect. In every size the both div wants to maintain the same percentage size. Dec 27, 2020 · I just wonder whether there exists a way to get screen real size (screen resolution) in js. Feb 2, 2024 · The browser width is different than the screen width. May 27, 2022 · screen width !== window width. function GetWidth () Feb 2, 2024 · The browser width is different than the screen width. This tutorial will teach you to get the JavaScript window width and other screen size parameters. This example dynamically scales the font size within a defined range as the element's width changes. width is the width of the screen. addEventListener("resize", getWidth); Mar 2, 2017 · I know it's not possible to get javascript values before the page load, so how am I able to use the values from javascript in my code? Can I use another page that with javascript determines the size of the window, and pass it to my main page? Jul 22, 2023 · The Screen object is a property of the Window object and represents the user’s screen or monitor. width and screen. Given an HTML document that is running on a Window & we need to find the height and width of the window. Right now, I am using jQuery and have something like this: var height = window How to detect screen size or window size in javascript and also detect the change on window resize. availWidth property returns the width of the visitor's screen, in pixels, minus interface features like the Windows Taskbar. Aug 25, 2024 · Why screen size matters for responsive design Key use cases for accessing screen size in development How to get total screen resolution, browser window size, and web page dimensions Approaches for graceful responsiveness across sizes Advanced techniques for screen size interactions Considerations for accessibility and responsiveness Dec 10, 2011 · Finding the window size is not possible with pure PHP. How should I discover the resolution of the phone from JavaScript? How can I get the exact height and width of the currently open browser screen window? Oct 25, 2021 · Level up your programming skills with exercises across 52 languages, and insightful discussion with our dedicated team of welcoming mentors. How do we find the width and height of the browser window? View Answer: Mar 10, 2013 · 7 I am searching a way using javascript to find visitors browser window width and height but i want also find the maximum window sizes so if the user make the window smaller or bigger some elements change automatic position or size like facebook chat. To learn JavaScript, we got to learn the object-oriented… How to close current tab in a browser window with JavaScript Dec 1, 2011 · I have an element and need it's width without (!) vertical scrollbar. This is useful when you want to calculate the width of the window without the scrollbar, or when you want to adjust the width of an element to account for the scrollbar. It provides information about the screen’s size, color depth, and other display-related Feb 1, 2025 · A detailed guide to the JavaScript onresize event, explaining how to detect and respond to window resizing, with practical examples and tips. We will explain why it's worth finding out and how to use it. height; These properties return the width and height of the user’s entire screen, regardless of the browser window size or resolution. Apr 23, 2019 · jQuery can be used to get the dimensions of the current page. Nov 3, 2009 · A less convoluted solution is to maintain the drawable dimensions in Javascript variables, but set the canvas dimensions based on the screen. Jun 24, 2009 · I am trying to write a JavaScript function to get the current browser width. Any suggestions ? Mar 10, 2013 · 7 I am searching a way using javascript to find visitors browser window width and height but i want also find the maximum window sizes so if the user make the window smaller or bigger some elements change automatic position or size like facebook chat. innerHeight (the page's visible width/height) window. BOM helps JavaScript communicate with the browser. The dimensions include the screen, viewport and document height, and width. The width property returns width in pixels. May 23, 2013 · In order to do so, I need to be able to find the size of the extra controls (all the aero glass and buttons ). Jan 11, 2020 · At a browser’s maximum size, the property window. innerWidth will change. Add an event listener for the resize event in the useEffect hook. Dec 1, 2016 · Closed 8 years ago. How can we remove the units to get pure numeric values? It’s a matter of math, so we need to use the mathematical tools in CSS: atan2(y, x) and tan(). Apr 23, 2014 · To get browser width using PHP, use JavaScript and pass the value to PHP via AJAX for server-side processing.