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axios_test
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事件循环练习.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>

</body>
<script>
    console.log(1)
        setTimeout(()=>{
        console.log(2)
        },0)
    function myFn(){
    console.log(3)
    }
    function ajaxFn(){
    const xhr =  new XMLHttpRequest()
        xhr.open('GET','http://hmajax.itheima.net/api/province')
        xhr.addEventListener('loadend',()=>{
        console.log(4)
        })
        xhr.send()
        }
    for(let i=0;i<1;i++){
            console.log(5)
    }
    ajaxFn()
    document.addEventListener('click',()=>{
    console.log(6)
    })
    myFn()
</script>
</html>