Describes the use of the forEach () method in JavaScript, including javascriptforeach.

Describes the use of the forEach () method in JavaScript, including javascriptforeach.

The forEach () method of the JavaScript array calls each element in the array.
Syntax

array.forEach(callback[, thisObject]);

The following is the detailed information about the parameters:

• Callback: each element of the function test array.
• ThisObject: the object used for executing the callback.

Return Value:

Returns the created array.
Compatibility:

This method is a JavaScript extension to the ECMA-262 standard; so it may not exist in other implementations of the standard. To make it work, you need to add the top of the following script code:

if (!Array.prototype.forEach){ Array.prototype.forEach = function(fun /*, thisp*/) {  var len = this.length;  if (typeof fun != "function")   throw new TypeError();  var thisp = arguments[1];  for (var i = 0; i < len; i++)  {   if (i in this)    fun.call(thisp, this[i], i, this);  } };}

Example:

This produces the following results:
[0] is 12[1] is 5[2] is 8[3] is 130[4] is 44