p4.ssl.qhimg.com/t01331ac159b58f5478.jpg"/></li></ul></div><script>// 轮播图类 里面封装一些apiclassSlider{constructor(id){this.container=document.getElementById(id);this.items=this.container.querySelectorAll(".slider-list__item, .slider-list__item--selected");}// 获取选中的图片元素...
我在这里介绍innerHTML、innerText、innerContent 一,innerHTML(可以识别标签): 案例1:替换掉整个标签 <!--innerHTML--><pid="innerHtml"onclick="setInnerHtml(this.id)">这个是对innerHTML的操作</p><scripttype="text/javascript">functionsetInnerHtml(obj){varx=document.getElementById(obj); x.innerHTML...
<html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <script type="text/javascript"> window.onload=( function() {/* w w w . j ava2s . com*/ var response = {results: 123, id: 456}; var div = document.createElement("div"); div.i...
executeScriptIfNeeded(HtmlScript.java:395) at com.gargoylesoftware.htmlunit.html.HtmlScript$3.execute(HtmlScript.java:276) 其中警告信息:Content is not allowed in prolog是导致后面报错的原因,而Content is not allowed in prolog是因为解析内容内包含BOM。这个标记是看不到的,而在流里面有这个标记。 因此...
内存中存储多少个function,消耗内存42//故一般将这种函数放在外面定义.43li.onmouseover= liMouseOver;44li.onmouseout= liMouseOut;45}46}4748// 定义函数,设置标签之间的内容,主要为处理浏览器兼容性问题49functionsetInnerText(element,content){50if(typeof(element.innerText)==='string'){51element.innerText=...
setParaTitle1:" + r; return r; } //setParaTitle1(t) //功能:设置二级标题set paragraph format with secondary title //输入:t:文字 //输出:格式化字符串 function setParaTitle2(t) { taDbg.value += "\n---setParaTitle2:" + t; var r; //var b = document.getElementById("cbSecondary...
这个例子的JavaScript代码在HTML代码的上面,如果没有window.onload,浏览器解析到document.getElementById("div1")就会报错,因为它不知道id为div1的元素究竟是哪一个,所以选择器必须要在 window.onload = function() { … }里面; b) getElementsByTagName(),通过标签(”li”, “div”)名来选中元素,注意,获取的...
const btn = document.getElementById('btn'); navigator.serviceWorker.register('./sw1.js').then((registration) => { // 第一次加载没有活动的(之前版本)服务工作者进程, waiting直接跳过所以为null console.log('waiting:', registration.waiting); // 当前激活的是sw1的服务工作者线程 console.log('...
所以我们在setDocFmt()中首先使用调用自定义函数getArg()来获取这些参数。 function getArg() { taDbg.value += "\n--- getArg()" ; //标题字体名 font name dtfn = document.getElementById('selDocTitleFontName').value; //alert(fn); //标题字号 font size ...
JavaScript provides two properties,innerTextandtextContent, to get and set the text contents of an HTML element and all its child nodes. If you set a new value ofinnerTextortextContent, all child nodes will be removed and replaced with a single text node containing the specified string. ...