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<head>
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    <title>Document</title>
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<body>
    
    <script>
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        //开启定时器,每隔0.5秒输出一次i,并且让i每次自加
        //执行到定时器行时会自动开启,第一次执行为设置的间隔而不是立即执行
        //以毫秒为单位,1000毫秒等于1秒
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var dsq = setTimeout(function(){

  console.log("3秒后输出该文字");

},3000);



clearTimeout(dsq);





var sss = "wwwww"

var user = {


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var d = this;

setTimeout(function(){


//wwwww
console.log(this.sss);

console.log(d.sss);
//ddddddddd

},1000)


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}



user.getName();