JavaScript method to insert an array into another array

This article describes the JavaScript method of inserting an array into another array. Share it 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. The following code inserts array b into a

 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 be helpful to everyone's JavaScript programming.