querySelector('.text'); // 控制台打印获取结果 console.log(element); </script> </body> </html> 执行结果 :二、querySelectorAll 函数1、querySelectorAll 函数简介 Document 和 Element 都定义了 querySelectorAll 函数 , 分别从 HTML 文档 和 El
// 获取 id 为 nav 元素下的 text 类的元素 ★ element = document.querySelector('#nav .text'); 1. 2. 2、完整代码示例 代码示例 : <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <!-- 设置 meta 视口标签 --> <meta name="viewport" content="width=device-width, ...
DOCTYPEhtml><html lang="en"><head><meta charset="UTF-8"><meta name="viewport"content="width=device-width, initial-scale=1.0"><title>Document</title></head><body><script>// function sayHi(fn) {// fn()// console.log('nihao')// }// function () {// console.log('jiangjia')//...
0 - This is a modal window. No compatible source was found for this media. Supported Browsers Method querySelector()Yes 4.0Yes 8.0Yes 3.5Yes 3.2Yes 10.0 Print Page Previous Next
'data-hide-text' : 'data-show-text'); btn.setAttribute('data-tooltip-content', newTooltip); toggleElem(tree, visible); 2 changes: 1 addition & 1 deletion 2 web_src/js/components/RepoActionView.vue Original file line numberDiff line numberDiff line change @@ -325,7 +325,7 @@ const...
Example-UsingCssSelectorToExtractContent hosted with by GitHub Moreover, in the C# example, the text color and background color were changed for the selected element. The next HTML code example includes JavaScript that uses querySelector(“p”) method: ...
var test=document.querySelector('#test'); var subDivs = test.querySelectorAll('div'); var text = document.querySelectorAll('div[class=text]'); queryselector 的方法 queryselector 的方法 querySelector 的方法是用于选择文档中的元素,并返回一个匹 配指定选择器的第一个元素。它基于 CSS 选择器...
getElementsByTagName('title')[0]` Do not confuse: `document.title` with `document.querySelector('title')` The former is just a setter/getter method to set or get the inner text value of the document title, while the latter is the {{domxref("HTMLTitleElement")}} object. So you ...
querySelectorAll / getElementsBy... 的比较 <html><head><metahttp-equiv="Content-Type"content="text/html; charset=utf-8"/><title></title><metacharset="utf-8"/><style>body{background:#808080;font-family:Arial, Helvetica, sans-serif;}.aa{float:left;width:100px;height:100px;margin:20...
就像 elem.getElementsByTagName,我的想法是灵活selector string吧。 JavaScriptquerySelector()、querySelectorAll()方法介绍 JavaScriptquerySelector()、querySelectorAll()⽅法介绍 ⼀、getElementsByClassName()⽅法不⾜之处 在之前的学习中,我们了解到,可以根据元素的 class 属性值查询⼀组元素节点对象,即...