30 lines
665 B
HTML
30 lines
665 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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<div id="app">
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</div>
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</body>
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<script src="../00-tools/JavaScript/vue.js"></script>
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<script>
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// filter对li的数据进行过滤
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//map对数值进行操作*2
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//reduce对数值进行累加操作
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const li=[1,2,3,4,5,6,7,8,9]
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let result=li.filter(function(li){
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return li<5
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}).map(
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function(n){
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return n*2
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}
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).reduce(function(pre,n){
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return n+pre
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},0)
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console.log(result);
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</script>
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</html> |