The way JavaScript inserts an array into another array

This article focuses on the way JavaScript inserts an array into another array, involving the use of the Array.prototype.push.apply method in JavaScript, which is very practical, and requires a friend to refer to the

The example in this article describes how JavaScript inserts an array into another array. Share to everyone for your reference. The specific analysis is as follows:

This JS code can insert an array into another array through the Array.prototype.push.apply method, and the following code inserts array B into a

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var a = [4,5,6]; var b = [7,8,9]; Array.prototype.push.apply (A, b); Uneval (a); is: [4, 5, 6, 7, 8, 9]

I hope this article will help you with your JavaScript programming.