SetTimeout () implements automatic program execution at intervals

Definition and usage

The setTimeout () method is used to call a function or computing expression after a specified number of milliseconds.

Syntax

SetTimeout (code, millisec)

Parameters	Description
Code	Required. The JavaScript code string to be executed after the function to be called.
Millisec	Required. The number of milliseconds to wait before executing the code.

Tips and comments

Note: setTimeout () is executed only once. If you want to call it multiple times, use setInterval () or let the code itself call setTimeout () again ().

[Example]

// Use Ajax to retrieve data once every 5 seconds setTimeout (function () {var f = arguments. callee; $. post ('/3G/wall/ajax_vote/', {client_id: <? Php echo $ memberId;?>, Vote_id: <? Php echo $ vote_id;?> }, Function (data) {setTimeout (f, 5000); // you must add this line if (! Data) return; var res = JSON. parse (data); $ (". list_vote"). append (res);})}, 5000 );