You can bind the current height and width of the screen to css variables: var(--screen-x) and var(--screen-y) with this javascript: var root = document.documentElement; document.addEventListener('resize', () => { root.style.setProperty('--screen-x', window.screenX) root.style.setProp...
These days, for screen size you can use the screen object: window.screen.height; window.screen.width; Legacy You can get the size of the window or document with jQuery: // Size of browser viewport. $(window).height(); $(window).width(); // Size of HTML document (same as...
screen resolution 屏幕分辨率 functiongetResolution() {constrealWidth =window.screen.width*window.devicePixelRatio;constrealHeight =window.screen.height*window.devicePixelRatio;console.log(` Your screen resolution is:${realWidth}x${realHeight}Your screen devicePixelRatio is:${window.devicePixelRatio}`)...
First, consider if you need to get the width of an element in vanilla JavaScript; what do you do? The answer is that first, access the DOM element and get thewidthproperty of that DOM element. Here, we will use theuseRef()to create a reference to the React DOM element. Users can us...
of course offsetWidth yields zero.any idea how to do it?I need to check a string's width on a hidden part (which is viewed if a user clicks a button) to check that it fits (ellipsis purpose).it is possible doing so or it has to be done only when the part becomes visible?
Use inner.width and inner.height to Get Browser Width and Height in JavaScript The browser width shows the actual width of the browser window in the unit of pixels. The browser width is different than the screen width. It shows the number of pixels in the viewable browser space, and the...
在上一节中学习了如何通过JavaScript来修改CSS样式。简单地说:查询CSS样式(即计算样式),设置单个样式(设置的是行内样式),设置多个样式(通过类来设置样式)。即: 通过DOM Element对象的getAttribute()、setAttribute()和removeAttribute()等方法修改元素的style属性 ...
cssclassstringThe css class(es) to add to modal. widthintThe modal width. This will be set inline on the .modal element. You should use the cssclass to add css that sets the width instead of this option. heightintThe modal height. This will be set inline on the .modal element. You...
(window.screen.availWidth/5.75);varaspectRatio=0.5625;// 16:9thumbnail.height=Math.round(thumbnail.width*aspectRatio);varctx=thumbnail.getContext("2d");varsnippetWidth=window.innerWidth*.6;varscale=thumbnail.width/snippetWidth;ctx.scale(scale,scale);ctx.drawWindow(window,window.scrollX,window....
#div1{width:100px; height:100px; background:red;} function getStyle(obj, attr){ if(obj.currentStyle){ return obj.currentStyle[attr]; }else{ return getComputedStyle(obj,false)[attr]; } } window.onload=function(){ var oDiv=document.getElementById('...