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51
Html-Javascript/11-dom2.html
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51
Html-Javascript/11-dom2.html
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<!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 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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<button id="btn">点我 </button>
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<div id="app"></div>
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<script>
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let app = document.querySelector("#app");//获取dom
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let btn = document.querySelector("#btn");
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let i=0;
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console.log(btn);
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//01-添加事件
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// dom.on事件名称= 函数
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btn.onclick = ()=>{
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i++;
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console.log("被点了怎模板!","我很记仇的这是你点击我的第"+i+"下");
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//02-修改内容
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if(i>10){
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// app.innerText=`找死!!`;
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app.innerHTML=`<b>找死!!</b>`;
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}else{
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// app.innerText = `我很记仇的这是你点击我的第${i}下`;
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app.innerHTML = `我很记仇的这是你点击我的第${i}下`;
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}
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}
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//注意:
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//innerText 不解析标签
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//innerHTML 解析标签
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</script>
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</body>
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</html>
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