js_tutorial

Javascript
concat ()
Javascript array concat() method returns a new array comprised of this array
joined with two or more arrays.
Syntax
The syntax of concat() method is as follows:
array.concat(value1, value2, ..., valueN);
Parameter Details
valueN : Arrays and/or values to concatenate to the resulting array.
Return Value
Returns the length of the array.
Example
Try the following example.
JavaScript Array concat Method
var alpha = ["a", "b", "c"];
var numeric = [1, 2, 3];
var alphaNumeric = alpha.concat(numeric);
document.write("alphaNumeric : " + alphaNumeric );
Output
alphaNumeric : a,b,c,1,2,3
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