document.documentElement.clientHeight是获取文档根元素高度的属性,它可以在Vue组件中使用。在组件的mounted生命周期中,可以使用以下代码获取屏幕高度: 使用document.documentElement.clientHeight mounted() { this.screenHeight = document.documentElement.clientHeight; 与window.innerHeight相比,document.documentElement.clientHeight...
rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && rect.right <= (window.innerWidth || document.documentElement.clientWidth) ); console.log('元素是否可见:', isVisible); } 在上面的示例中,我们使用document.getElementById()方法获取了一个id为my-element的元素,并使用getBo...
在vue中获取屏幕宽度的方法有:1.使用document.documentElement方法获取;2.在watch中实时监听;3.使用mounted函数获取; 具体方法如下: 1.使用document.documentElement方法获取屏幕的宽高 windowWidth: document.documentElement.clientWidth, //获取屏幕宽度 windowHeight: document.documentElement.clientHeight, //获取屏幕高度复...
//获取屏幕长宽 (this.screenWidth = document.documentElement.clientWidth), (this.screeHeight = document.documentElement.clientHeight), (window.onresize = () => { //屏幕尺寸变化就重新赋值 return (() => { this.screenWidth = document.documentElement.clientWidth; this.screeHeight = document.documentEl...
documentElement.clientHeight||document.body.clientHeight; for (let i = n; i < len; i++) { // 如果图片距顶部距离小于可见区域高度与滚动条距离顶部高度之和时,才显示图片 let rectTop = this.getRect(img[i]).top; let rectBottom= this.getRect(img[i]).bottom; if (rectTop > 0 && rectTop...
(this.menuBtnsArr); console.log(this.allBtnObj) }, 100); this.screenHeight = document.documentElement.clientHeight || document.body.clientHeight; }, mounted() { setTimeout(() => { this.getAlarmTypeList(); this.getConfig(); this.getList(); this.getStatusList(); this.getAlarmStatusList...
let nowScotop = window.innerHeight || document.documentElement.clientHeight; //可视区高度 let lastEle = b[this.falls.length - 1].getBoundingClientRect().bottom //最后一个元素的底边距离 let footerHeight = this.$refs.footer.offsetHeight //底部的高度 ...
screenWidth:document.documentElement.clientWidth, //屏幕宽度 screenHeight:document.documentElement.clientHeight, //屏幕高度 } 1. 2. 3. 4. 2、在main.vue里挂载window.onresize mounted() { var _this = this; window.onresize = function(){ // 定义窗口大小变更通知事件 ...
{ const windowHeight = document.documentElement.clientHeight; const elTop = el.getBoundingClientRect().top; const elBtm = el.getBoundingClientRect().bottom; const realSrc = el.dataset.src; if (elTop - windowHeight < 0 && elBtm > 0) { if (realSrc) { el.src = realSrc; el....
const seeHeight = window.innerHeight||document.documentElement.clientHeight||document.body.clientHeight; for (let i = n; i < len; i++) { // 如果图片距顶部距离小于可见区域高度与滚动条距离顶部高度之和时,才显示图片 let rectTop = this.getRect(img[i]).top; // 这里的this.getRect()是用来获...