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What is the function for sorting in javascript

WBOYOriginal: 2021-12-23 10:56:483851browse

The sorting function in JavaScript is "sort()". The sort() function is used to sort the elements of the array. The sorted array elements can be letters or numbers. The sorting method can be ascending or descending order. The default sort order is alphabetical ascending, and the syntax is "array.sort(sortfunction)".

The operating environment of this tutorial: Windows 10 system, JavaScript version 1.8.5, Dell G3 computer.

What is the sorting function in javascript

The sort() method is used to sort the elements of the array.

The sort order can be alphabetical or numerical, and in ascending or descending order.

The default sort order is ascending alphabetically.

Note: When the numbers are arranged in alphabetical order, "40" will be listed before "5".

To use numerical sorting, you must call it with a function as a parameter.

The function specifies whether the numbers are arranged in ascending or descending order.

These may be difficult to understand, but you can learn more about it through the examples at the bottom of this page.

Note: This method will change the original array! .

The syntax is as follows:

array.sort(sortfunction)

sortfunction is an optional parameter. Used to specify the sort order. Must be a function.

The example is as follows:

<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
<p id="demo">单击按钮升序排列数组。</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
var points = [40,100,1,5,25,10];
points.sort(function(a,b){return a-b});
var x=document.getElementById("demo");
x.innerHTML=points;
}
</script>
</body>
</html>

Output result:

What is the function for sorting in javascript

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