首頁(yè) 猿問(wèn) 請(qǐng)問(wèn)如何才能讓圖片循環(huán)更新，現(xiàn)在這...

請(qǐng)問(wèn)如何才能讓圖片循環(huán)更新，現(xiàn)在這代碼只是3張圖片更新完了就結(jié)束了！

JavaScript

GCT1015 2023-01-03 18:14:29

<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>無(wú)標(biāo)題文檔</title><script type="text/javascript">var currentImgNumber=1;var numberOfImages=3;function window_onload(){setTimeout("switchImage()",3000);}function switchImage(){currentImgNumber++;document.imgAdvert.src='AdvertImage'+currentImgNumber+'.jpg';if(currentImgNumber<numberOfImages){setTimeout("switchImage()",3000);}}</script></head><body onload="window_onload()"><img src="AdvertImage1.jpg" name="imgAdvert" /></body>小弟新手一個(gè)，請(qǐng)哪位大佬指點(diǎn)指點(diǎn)！

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2 回答

慕運(yùn)維8079593

TA貢獻(xiàn)1876條經(jīng)驗(yàn) 獲得超5個(gè)贊

setTimeout（）只是定時(shí)執(zhí)行一次，用setInterval();定時(shí)不斷執(zhí)行

反對(duì) 回復(fù) 2023-01-06

元芳怎么了

TA貢獻(xiàn)1798條經(jīng)驗(yàn) 獲得超7個(gè)贊

var currentImgNumber=0; // 0~2var numberOfImages=3;function window_onload(){ setTimeout("switchImage()",3000);}function switchImage(){ document.imgAdvert.src='AdvertImage'+(currentImgNumber+1)+'.jpg'; currentImgNumber++; currentImgNumber %= numberOfImages; setTimeout("switchImage()",3000);}