The use of settimeout in JS

Source: Internet
Author: User

First, the grammar


Code: is a string that contains JavaScript statements. This statement may be such as "alert (' 5 seconds! ')", or a call to a function, such as alertmsg ().

millisec: Indicates the number of milliseconds after which the first parameter is executed.

Second, SetTimeout (CODE,MILLISEC) The use of code containing formal parameters

For example

var msg= ‘dfdsf‘ ;
SetTimeout (Alert (msg), 1000); Alert (msg) will be executed immediately

SetTimeout ("Alert (msg)", 1000);//System error

The workaround is to use the anonymous function callback

var msg= ' fewweeeee '; SetTimeout (function () {alert (msg);},1000);

Reference: JS setTimeout

The use of settimeout in JS

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