JavaScript forEach Array method

Quick Usage

For this quick usage consider that var awesomeArray = [1, 2, 3, 4, 5];.awesomeArray.forEach(function(element, index) { });

Details

Javascript’s ES5 forEach() Array method is a fast way to iterate through all elements of an array. It executes the provided function for each element of the array, passing down the current element and index.

• Full syntax example

  var awesomeArray = [1, 2, 3, 4, 5];
var thisValue = window;

  awesomeArray.forEach(function(element, index, array) {
  /* do something */
  }, thisValue);

• Paramenters

  • function(element, index, array)

    Function passing the current element, current index and the full arrayas paramenters.

  • thisValue

    The context on which the function is running. Defaults to undefined.

• Return Value

  This method returns undefined.

• Support

  All browsers.