所以没办法,只能用原生的JavaScript了,为了实现这个功能,我得通过HTML标签的Class来获得标签的DOM结构。 在JavaScript 内建的核心中,document对象及element对象总共可以通过三个方式来获取其下的元素,分别是:getElementById(‘id’) 、getElementsByName(‘name’) 、getElementsByTagName(‘tag’) 。 可是在设计网页时...
EN//显示时间函数 var id;//设置该id主要是为了之后的暂停和取消显示时间用到clearInterval(这里传id)...
<pid="target">文字说明 一、 以上代码中都可以通过document.getElementById("target")获取a标签和p标签,这就是getElementById()的bug所在; 12vargetElementById=function(id){3varel=document.getElementById(id);4if(!+"\v1"){//判断浏览器 if(!+"\v1"){} IE浏览器中对\v1转换成v1 其他浏览器转...
You can use the getElementsByClassName() to get or select the elements by their class attribute value in JavaScript. This method returns an array of matched elements, because more than one element on the page can have the same class. Let's check out an example:...
测试3 //获取到ul,为了之后动态的添加li var ul = document.getElementById('box'); //获取到现有ul里面的li var list = ul.getElementsByTagName('li'); for(var i =0;i<list.length;i++){ ul.appendChild(document.createElement('li')); //动态追加li } 1. 2...
getElementByClass in Javascript - 两种代码 2008-10-07 23:19 − /* getElementByClass /***/ var allHTMLTags = new Array(); function getElementB... CarlZeng 03289 给javascript添加原型方法 2017-03-0314:45 − 简单的例子:判断 数组中是否有某个子元素 1 Array.prototype.in_...
Javascript中的getElementById十分常用,但在标准的页面中,一个id只能出现一次,如果我想同时控制多个元素,例如点一个链接, 让多个层隐藏,该怎么做?用class,当然,同一个class是可以允许在页面中重复出现的,那么有没有getElementByClass呢?没有, 但是可以解决: ...
=typeof t.getElementsByTagName?t.getElementsByTagName(e):d.qsa?t.querySelectorAll(e):void 0}:function(e,t){var n,r=[],i=0,o=t.getElementsByTagName(e);if("*"===e){while(n=o[i++])1===n.nodeType&&r.push(n);return r}return o},b.find.CLASS=d.getElementsByClassName&&...
Therefore, we can treat them all just as some defined classes. Hence, sometimes it becomes necessary to know what all classes have been used for an HTML element.By using the attr() method of jQuery, it is possible to know all the classes defined for an element. By declaring class as ...
In this post we'll look at ways to get an element's text whilst excluding text from all (or certain) child elements. We'll be considering the following HTML elements for this tutorial: HelloWorld! (Ignore Me) @ 04:45 pm Lorem Ipsum Remember toremove leading and trailing spaces...