// event: "pointerdown",// };// monitorLog(obj, 'pointerdown');// });// document.addEventListener('pointerup', (e) => {// // console.log('pointer up', e);// const obj = {// desc:
exportdefaultclass myUtils {//计算元素滚动条宽度(默认clientWidth包括滚动条的情况)static getScrollWidth(elemOrSelect) {if(!elemOrSelect)return;if(elemOrSelect.constructor === String) elemOrSelect =document.querySelector(elemOrSelect);//参数为html或body时if(/BODY|HTML/.test(elemOrSelect.nodeName)...
获取滚轮的值:IE/Chrome使用onmousewheel的事件对象event的wheelDelta,而FF采用的是detail IE/Chrome向上滚动为120,向下滚动为-120;FF向上滚动为-3,向下滚动为3 贴码: var oDelta=document.getElementById('Delta'); var num=0; function mouseScroll(e){ //事件对象兼容 var e=e||window.event; var down=n...
For example, clicking on the left edge of the viewport will always result in a mouse event with a clientX value of 0, regardless of whether the page is scrolled horizontally. Value A double floating point value in pixels. Examples This example displays your mouse's coordinates whenever you ...
onscroll:当窗口的滚动条滚动时触发 HTML 表单事件 onselect: 当用户选择文本框(input 或textarea)中的一个或多个字符触发并松开鼠标时触发 onchange: 当文本框(input 或textarea)内容改变且失去焦点后触发或者Select 选中的内容变化 oninput:当用户输入是开始执行 ...
使用Javascript模拟滚动事件 、、、 我正在尝试使用Javascriptfor Mobile Safari模拟滚动事件。我正在使用下面的代码evt.initMouseEvent("scroll", true, truefalse, false, false, 0, null); 上面的代码是jQuery插件jQuery.UI.Ipad的一部分,它基本上将touchstart、touchmove、to 浏览...
element.addEventListener('click', function(event) { event.stopPropagation(); // 处理点击事件 }, false); // false表示在冒泡阶段处理事件,true表示在捕获阶段处理 问题2:跨浏览器兼容性 不同浏览器对事件的处理可能存在差异。 解决方法:使用现代的JavaScript库或框架(如jQuery)来统一事件处理逻辑,或者手动编写...
In all browsers these are inevent.screenXandevent.screenY. Window Coordinates: These are coordinates measured from the top left corner of the browser's content area. If the window is scrolled, vertically or horizontally, this will be different from the top left corner of the document. This ...
Example: Scroll to Top One common use case for themousewheelevent is to scroll back to the top of a webpage when the user scrolls upward. Let’s take a look at an example: $(window).on('mousewheel',function(event){vardeltaY=event.deltaY;if(deltaY<0){// Scroll to top$('html, body...
元素失去焦点鼠标单击鼠标进入(进入子元素也触发)mouseout鼠标离开(离开子元素也触发)mouseenter)mouseleave()鼠标离开(离开子元素不触发)hover()同时为mouseenter和mouseleave事件指定处理函数ready()resize()浏览器窗口的大小发生改变scroll()滚动条的位置发生变化 ...