- Categories: JavaScript Methods, JavaScript Reference, Reference
Quick Reference
The Array sort() method sorts the elements of an array as strings in alphabetical and ascending order, overwriting the original array.
<!-- html element to place output -->
<p id="my_cars"></p>
// array
let cars = ['Lamborghini', 'Ferrari', 'Maserati', 'Alfa Romeo'];
// sort array
cars.sort();
// output the sorted array items to the HTML element
document.getElementById('my_cars').innerHTML = cars;
Output
Alfa Romeo,Ferrari,Lamborghini,Maserati
Syntax
array.sort(compareFunction)
Parameters
| Parameter | Description |
|---|---|
| compareFunction | A function that defines a sort order; the function should return a negative, zero, or positive value, depending on the arguments When sort() compares two values, it sends the values to the compare function, and sorts the values according to the returned (negative, zero, positive) value |
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JAVASCRIPT NOTES:
- When using JavaScript, single or double quotation marks are acceptable and work identically to one another; choose whichever you prefer, and stay consistent
- JavaScript is a case-sensitive language; firstName is NOT the same as firstname
- Arrays count starting from zero NOT one; so item 1 is position [0], item 2 is position [1], and item 3 is position [2] … and so on
- JavaScript variables must begin with a letter, $, or _
- JavaScript variables are case sensitive (x is not the same as X)
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