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Breadcrumbs

jsMianshiti

/

let和var作用范围.html

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22 lines (21 loc) · 341 Bytes

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jsMianshiti

/

let和var作用范围.html

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22 lines (21 loc) · 341 Bytes

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<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<title>Document</title>

<script>

function test() {

var varTest = 'test var';

let letTest = 'test let';

{

var varTest = 'hahaha';

let letTest = 'hahahah';

}

console.log(varTest);

console.log(letTest);

}

</script>

</head>

<body>

</body>

</html>

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