query 中 this 的问题 - V2EX
CoooolChan

query 中 this 的问题

  •  
  •   CoooolChan Feb 16, 2014 3397 views
    This topic created in 4472 days ago, the information mentioned may be changed or developed.
    http://jsfiddle.net/pYW4c/5/ 这是一个jquery插件,里面用到3个this,分别指向的是什么,我有点弄不明白,this是原生的Javascript为什么可以直接使用jquery的each方法
    2 replies    1970-01-01 08:00:00 +08:00
    zzNucker
        1
    zzNucker  
       Feb 16, 2014
    都指的是调用它的jquery元素
    比如最后的那个$('p')
    CoooolChan
        2
    CoooolChan  
    OP
       Feb 16, 2014
    @zzNucker 好像懂了,两个this指向的都是用p作为选择符的jquery数组对象,用this.each调用的函数里this指向的是一个单独的p元素,是个dom对象,所以要使用$(this)把它转换成jquery对象?
    About     Help     Advertise     Blog     API     FAQ     Solana     3050 Online   Highest 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 29ms UTC 02:50 PVG 10:50 LAX 19:50 JFK 22:50
    Do have faith in what you're doing.
    ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86