<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>
var arr=[1,2,3,4,5,6,7];
for(var i=0;i<arr.length/2;i++){
var k=arr[i];
arr[i]=arr[arr.length-1-i];
arr[arr.length-1-i]=k;
}
for(var i=0;i<arr.length;i++){
console.log(arr[i]);
}
</script>
</body>
</html>js -- reverse the array
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Origin blog.csdn.net/qq_63533863/article/details/123795738
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