26 lines
501 B
HTML
26 lines
501 B
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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</body>
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<SCript>
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function al(callback){
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var num = 1
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setTimeout(function(){
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num += 100;
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callback(num)
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},3000)
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}
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al( function(aaa){
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console.log("res",aaa);
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})
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</SCript>
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</html> |