JavaScript performance optimization - build string

From , 2 Years ago, written in JavaScript, viewed 131 times.

//直接使用加号链接字符串，慢
var string   = 'abc';
    string += 'def';
    string += 'ghi';
    string += 'jkl';
    string += 'mno';
 
alert(string);
 
//使用数组进行字符串链接，快
var string = Array();
    string.push('abc');
    string.push('def');
    string.push('ghi');
    string.push('jkl');
    string.push('mno');
 
alert(string.join(""));
//javascript/2142

Reply to "JavaScript performance optimization - build string"

Here you can reply to the paste above

Author What's your name?

Title Give your paste a title.

Language What language is your paste written in?

Your paste Paste your paste here

Create Shorturl Create a shorter url that redirects to your paste?

Private Private paste aren't shown in recent listings.

Delete After When should we delete your paste?

Spam protection Type in the letters

https://burned.cc - Burn After Reading Website

Pastebin.vip

JavaScript performance optimization - build string

Reply to "JavaScript performance optimization - build string"