<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>arr_concat</title>
</head>
<body>
<script>
// 两个数组合并。
var arr1 = ["a", "b"];
var arr2 = ["c", "d", "e"];
var arr3 = arr1.concat(arr2);
console.log("arr3:", arr3);
// arr3: (5) ["a", "b", "c", "d", "e"]
// 多个数组合并。
var arr4 = [1, 2];
var arr5 = [3, 4, 5];
var arr6 = [6, 7];
var arr7 = arr4.concat(arr5, arr6);
console.log("arr7:", arr7);
// arr7: (7) [1, 2, 3, 4, 5, 6, 7]
</script>
</body>
</html>
js arr_concat数组的合并.html
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转载自blog.csdn.net/weixin_42193179/article/details/88092291
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