Copy array items into another array

by

Use the concat function, like so:

var arrayA = [1, 2];
var arrayB = [3, 4];
var newArray = arrayA.concat(arrayB);

The value of newArray will be [1, 2, 3, 4] (arrayA and arrayB remain unchanged; concat creates and returns a new array for the result).

More Related Contents:

  1. Does an array contain a specific item? [duplicate]
  2. How to get the difference between two arrays of objects in JavaScript
  3. JavaScript: Difference between .forEach() and .map()
  4. How to extend an existing JavaScript array with another array, without creating a new array
  5. How to delete an item from state array?
  6. Maximum size of an Array in Javascript
  7. Create an array with same element repeated multiple times
  8. Merge JavaScript objects in array with same key
  9. How can I split a string into segments of n characters?
  10. adding custom functions into Array.prototype
  11. JavaScript – get array element fulfilling a condition
  12. Javascript – remove an array item by value [duplicate]
  13. Sorting on a custom order
  14. Index an array of arrays with an array of indexes in javascript
  15. Javascript: take every nth Element of Array
  16. How do I extract even elements of an Array?
  17. Array map function doesn’t change elements
  18. How to store a byte array in Javascript
  19. Replace element at specific position in an array without mutating it
  20. push() a two-dimensional array
  21. Sort a Javascript Array by frequency and then filter repeats
  22. Javascript array search and remove string?
  23. TypeScript enum to object array
  24. Using lodash to compare jagged arrays (items existence without order)
  25. Using jQuery inArray with array of JavaScript Objects
  26. best way to generate empty 2D array
  27. Access object property in array of objects
  28. Find last index of element inside array by certain condition
  29. How to flatten array in jQuery?
  30. javaScript: Can a comma occur after the last set of values in an array?

Leave a Comment