1js中的定時(shí)器
(1).SetInterval():
按照指定的周期(以毫秒計(jì))來(lái)調(diào)用函數(shù)或計(jì)算表達(dá)式,方法會(huì)不停的調(diào)用函數(shù),直到clearInterval()被調(diào)用或者窗
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> </body> </html> <script> var time=setInterval(function(){//循環(huán)定時(shí)器 document.write('hello'); },3000) </script>
每隔三秒出一個(gè)hello world
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