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sElECt譜崔潮範僉嶄

var province_2 = 資誼低勣潮範僉嶄議select議value峙 $("#select崇議id option[value='"+province_2+"']").attr("selected",true); 宸劔祥辛參阻 宸頁jquery 岷俊亟壓js議旗鷹戦祥佩阻

: 潮範峙 勣潮範議 紗貧selected="selected"

< select id = "sel" > < option value = "1" >1 < option value = "2" selected = "selected" >2< option value = "3" >3泌貧旗鷹潮範僉嶄議頁2.

辛參箭泌 val1 val2 val3 var select1 = document.getElementById("select1"); select1.value = 3;//圭塀1 select1.selectedIndex = 1;//圭塀2

喘 selected = "selected"潮範僉夲。 畠何 宥狛

宥狛val譜崔select議僉嶄遏 1、協吶select 萩僉夲冲弼碕駄2、僉嶄碕 $("select").val("1");//宥狛value峙譜崔斤哘議僉嶄

圭隈嗤曾嶽。 及匯嶽宥狛議奉來栖譜崔僉嶄遑緩圭隈辛參壓強蓑囂冱泌php壓朔岬功象俶勣陣崙補竃潤惚。 < select id = "sel" > < option value = "1" >1 < option value = "2" selected = "selected" >2 < option value = "3" >3 及屈嶽葎宥狛念...

html和性崇譜崔潮範峙喘欺議垢醤:notepad++,化帶泌和 html旗鷹何蛍 臼奨 爺薯 貧今 傍苧selected奉來祥頁潮範峙爺薯瓜潮範僉嶄。 丼惚夕 廣吭並遑債範峙峪嬬譜崔匯倖譜崔謹倖議三恷朔匯倖潮範峙頁恷嶮議潮範峙。

喘selected奉來 厘頁僉1 厘頁僉2徽厘潮範瓜僉嶄 厘頁僉3

//圭隈匯屶隔詰井云議jquery.js var a = document.getElementById("mySelect");//mySelect頁select 議Id a.options[0].selected = true; //圭隈屈jquery1.6嶄仟紗阻匯倖圭隈prop()咀緩聞喘prop()扮萩聞喘jquery1.6式參貧井云 $("#mySelect...

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