42 lines
1.2 KiB
HTML
42 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<!--
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dom
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document.getElementById
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document.getElementsByClassName
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document.getElementsByName
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document.getElementsByTagName("div")
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-->
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<div class="box">
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<p>hello</p>
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<span>aaa</span>
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</div>
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<script>
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var box=document.getElementsByTagName("div")
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console.log(box[0].innerText)
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console.log(box[0].innerHTML)
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// innerHtml => 带着html代码来的 解析html 代码
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// box[0].innerText="前端"
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console.log(box[0].children)
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var zi=document.getElementsByTagName("span")
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console.log(zi[0].parentNode)
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// 创建节点
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var ele=document.createElement("div")
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ele.innerHTML="消灭人类暴政，世界属于三体"
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console.log(ele)
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ele.setAttribute("style","color:red")
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box[0].append(ele) //插入元素
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zi[0].remove() //删除元素
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</script>
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</body>
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</html> |