The example in this article describes the use of JavaScript to delete an array. Share it with everyone for your reference, the details are as follows:
After javascript uses delete to delete certain values in the array, the length of the array remains unchanged.
The specific code is as follows:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>JavaScript delete</title>
</head>
<body>
<script>
var a = [1, 2, 3, 4, 5, 6];
for (var i in a) {
if (a[i] % 2 == 0) {
delete a[i];
}
}
console.log(a);
console.log(a.length);
</script>
</body>
</html>The running effect diagram is as follows:
![JavaScript uses delete to delete array elements. Usage example [array length remains unchanged]](https://img.php.cn//upload/image/389/451/408/1484881517750032.png "JavaScript uses delete to delete array elements. Usage example [array length remains unchanged]")
I hope this article will be helpful to everyone in JavaScript programming.
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