function throttle(func, limit) { let inThrottle; return function() { const args = arguments; const context = this; if (!inThrottle) { func.apply(context, args); inThrottle = true; setTimeout(() => inThrottle = false, limit); } }; } scrollDiv.addEventListener('scroll', throttle(fun...
toggle()； 事件绑定：bind()；JavaScript自动添加UTF-8编码，自动查询 head 是否有 UTF-8 的 meta...
Javascript getPosition: function (element) { const rect = element.getBoundingClientRect(); if ((rect.top > -1) && (rect.top < (window.innerHeight * 0.75))) { element.setAttribute('data-js-position','in-viewport'); } else if ((rect.top > 0) && (rect.top < window.innerHeight)) ...
var oSys = true; var oBtn = document.getElementById('btn1'); oBtn.onclick = function(){ setInterval(function(){ var scrollTop = document.documentElement.scrollTop || document.body.scrollTop; var iSpeed = Math.floor(-scrollTop/8); var oSys = true; if(scrollTop){ document.documentEl...
onscroll = function() { if ($(window).scrollTop() > 600) { $('.class1').slideUp('slow'); }else { $('.class1').fadeIn(5000); } $('.class1').html('滚动条top:' + $(window).scrollTop() + '' + '滚动条left:' + $(window).scrollLeft()); //$('.class1').html($...
In JavaScript: object.onscroll=function(){myScript}; Try it Yourself » In JavaScript, using the addEventListener() method: object.addEventListener("scroll",myScript); Try it Yourself » Technical Details Bubbles:No Cancelable:No Event type:UiEventif generated from a user interface,Eventotherwis...
滚轮动一下ie执行的次数太多了,需要写个方法,某段时间只执行一次。 var i=0, scrollTimer; E.addHandler(window, 'scroll', function(){ if(scrollTimer) clearTimeout(scrollTimer); scrollTimer = setTimeout(function(){ console.log(i++);
//获取文本框 var pText=document.getElementById("div"); var content=document.getElementById("content"); //绑定鼠标在文本框上滑动时事件 pText.onmousemove=function(){ this.style.color="red"; } pText.onmouseout=function(){ this.style.color="green"; } content.onscroll=function(){ content...
ScrollContainer+addEventListener(event: string, handler: function) : void 上面的类图展示了一个名为ScrollContainer的类,它具有一个addEventListener方法,用于添加事件监听器。 结语 通过使用onScrollBegin事件,我们可以方便地监听用户滚动行为的开始,并在滚动开始时执行相应的操作。无论是懒加载图片还是创建页面滚动动画...
window.onscroll = function (e) { // 当页面的滚动条滚动时,会执行这里的代码 } onscroll test window.onscroll = scroll; function scroll() { alert("检测到页面滚动事件:"+window.pageXOffset+" "+window.pageYOffset); // 注意: window.innerWidth 和 window.innerHeight 可以获得页面可见区域的宽...