js中的定时器,延迟器（Timer, delay device in JS）.doc

js中的定时器,延迟器（Timer, delay device in JS） Timer collection in JavaScript Timer: (retarder) Used to specify the execution of a program at a specified time. SetTimeout (): (version 1) Format: [object name as setTimeout timer ( expression , MS) Function: execute expressions once. SetTimeout (code, time) Example: setTimeout (alert (test to see if it has been delayed); 10000) Where code is a Javascript instruction, indicating events after the delay. Time is how long after the delay, 1000 represents 1 second. SCRIPT LANGUAGE= JavaScript SetTimeout (confirm (123456), 1000); /SCRIPT script language=, JavaScript, type=, text/javascript Function, count () { SetTimeout (alert (3 to), 3000) } /Script INPUT TYPE=, button, VALUE=, time begins, onClick=, count () ClearTimeout (): terminates the timer Format: ClearTimeout (timer object name) SetInterval (): (version 1.2) Format: [object name as setInterval timer ( expression , MS) Function: repeats expressions until the window, frame is closed or clearInterval is executed. ClearInterval (): terminates the timer Format: ClearInterval (timer object name) Example 1: Scriptscript language=, JavaScript, type=, text/javascript Var sec = 0; TimerID = setInterval (count ()) 1000; Function, count () { Num.innerHTML = sec++; } /Script Residence time: FONT ID=, num, FACE=, impact, 0/FONT seconds INPUT TYPE=, button, VALUE=, stop, onClick=, clearInterval (timerID) Example 2: script language=, JavaScript, type=, text/javascript Var STR = this is an online auction website, please enjoy shopping! ; Var SEQ = 0; Function, scroll () { MSG = str.substring (0, seq+1); Banner.innerHTML = msg; Seq++; If (SEQ = str.length) SEQ = 0; } /Script Body onLoad=, setInterval (scroll ()), 500 FONT ID=, banner, /FONT /Body Article quoted from: SetInterval and clearInterval explain on, 07 October, at p.m. on Tuesday, 10 05:06clearInterval, similar to JSs clearTimeout The time interval can be created with the setInterval command and terminated with the cle