JavaScript Array concat method
A quick and efficient method to combine two or more arrays and still maintain the individual elements in the finished array.
Using unshift( ) or push( ) will add the whole array as a single element in the new array. If we wanted to add the elements individually then we would either have to use a loop and call push repeatedly OR we can use the concat( ) method and complete the same work with a single line of code.
The added benefit is that we can chain other Array methods at the end.
Code GIST: https://gist.github.com/prof3ssorSt3v...
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