JavaScript array sort() method

　JavaScript Array Object

sort()Methods sort the elements of the array (based on the first character) and return the array.

By default,sort()Methods are sorted in ascending order/Sort values in dictionary order.

This applies to strings ('December' comes before 'February').

But if the numbers are sorted as strings, then “35”is greater than “150”, because “3”is greater than “1

However, you can change the sorting algorithm by providing a 'compare' function.

Note: The sort() method changes the original array.

Syntax:

array.sort(compareFunction)

var　months　=　[#39;March#39;,　#39;Jan#39;,　#39;Feb#39;,　#39;Dec#39;];
months.sort();

Browser compatibility

The numbers in the table specify the first browser version that fully supports the sort() method:

Parameter value

Technical details

More Examples

Sort the numbers in the array in ascending order:

var nums = [5,　1,　2,　7,　3,　6,　4];
nums.sort();

sort()By default, the number array is not sorted by size. Instead, it only checks the first character in the number:

var nums = [5,　1,　2,　17,　13,　6,　34];
nums.sort();

To sort numbers correctly, you can create a comparison function as a parameter:

var nums = [5,　1,　2,　17,　13,　6,　34];
nums.sort(function(a, b) {return a　-　b});

Sort the numbers in the array in descending order:

var nums = [5,　1,　2,　17,　13,　6,　34];
nums.sort(function(a, b) {return b　-　a});

Get the minimum and maximum values in the array:

function myFunc() {
var nums = [5,　1,　2,　7,　3,　6,　4];
nums.sort();　//　Array Sorting
var low = nums[0];　　　//　The value of the first index is the smallest
var high = nums[nums.length-1];　　//　The last index has the largest value
}

　JavaScript Array Object