DOCTYPEhtml>获取控件宽度<scriptsrc=" 这是一个测试DIV获取宽度$('#getWidthBtn').on('click',function(){// 为按钮添加点击事件var$myDiv=$('#myDiv');// 选择ID为myDiv的控件varactualWidth=$myDiv.outerWidth();// 获取控件的实际宽度console.log('控件的实际宽度是: '+actualWidth+'px');// 输出...
alert($(document).width());//浏览器当前窗口文档对象宽度 alert($(document.body).width());//浏览器当前窗口文档body的高度 alert($(document.body).outerWidth(true));//浏览器当前窗口文档body的总宽度 包括border padding margin // 获取页面的高度、宽度 function getPageSize() { var xScroll, yScrol...
windowWidth = document.body.clientWidth; windowHeight = document.body.clientHeight; } } } // for small pages with total height less then height of the viewport 1. if (yScroll < windowHeight) { 1. pageHeight = windowHeight; } else { 1. pageHeight = yScroll; } // for small pages with...
DOCTYPE html>Document<videosrc="mov.mp4"muted>//1. DOM对象转换为 jQuery对象//(1) 我们直接获取视频,得到就是jQuery对象//$('video');//(2) 我们已经使用原生js 获取过来 DOM对象varmyvideo=document.querySelector('video');//$(myvideo).play(); jquery里面没有play 这个方法//2. jQuery对象转换...
<!DOCTYPE HTML> jQuery数据结构渲染(3):文本和input/textarea框赋值
<!DOCTYPE html> jQuery Create Form Create Form $(document).ready(function() { $('#createFormBtn').click(function() { // 创建表单元素 var form = $(''); var input = $(''); var
JQuery选择器 $(function(){ // element: 标签选择器,获取页面上同一类标签 var $p = $("p"); console.log($p); $p.css("color","red"); // .class 类选择器,获取页面上class属性值相同的一类标签 var $p2 = $(".p1"); console.log($p2)...
// Returns width of browser viewport $( window ).width(); // Returns width of HTML document $( document ).width(); Note that .width() will always return the content width, regardless of the value of the CSS box-sizing property. As of jQuery 1.8, this may require retrieving the CSS...
events such as sporty or foobar. if the event is `scroll` or a similar type, it also need to check if the image has appeared in the viewport. Default is to wait until user scrolls down and image appears on the viewport. event : 'scroll', // default: 'scroll'. Another example: '...
// Returns width of browser viewport $(window).width(); // Returns width of HTML document $(document).width(); Note that.width()will always return the content width, regardless of the value of the CSSbox-sizingproperty. As of jQuery 1.8, this may require retrieving the CSS width plusbo...