各位老哥,JS 怎么实现跳转页面,等待页面加载完再执行? - V2EX
V2EX = way to explore
V2EX 是一个关于分享和探索的地方
Sign Up Now
For Existing Member  Sign In
tacbob

各位老哥,JS 怎么实现跳转页面,等待页面加载完再执行?

  •  
  •   tacbob Aug 30, 2021 1969 views
    This topic created in 1708 days ago, the information mentioned may be changed or developed.

    最近在写一个插件爬电商网站,因为需要翻页,所以用 window.location.href 来进行页面跳转,但是发现跳转完之后页面还没加载完,后面的代码就执行结束了,抓取到的还是跳转之前的信息.

    这种情况下应该怎么写呢?

    尝试了使用 window.onload 和 document.ready 好像都不太行,onload 和 ready 里的代码从来就没有执行过

    7 replies    2021-08-30 12:22:50 +08:00
    InDom
        1
    InDom  
       Aug 30, 2021
    要不换个思路?

    首先保证每个页面只执行一次(执行成功后设置页面某值为 true )

    跳转后,循环检查值不为 true 然后检查特定元素出现后(加载完毕)再执行脚本。
    liyang5945
        2
    liyang5945  
       Aug 30, 2021
    试试 readystatechange 有用不
    ch2
        3
    ch2  
       Aug 30, 2021
    你可以显式等待
    tacbob
        4
    tacbob  
    OP
    Aug 30, 2021
    @ch2 谢谢,可以讲详细点吗?
    tacbob
        5
    tacbob  
    OP
       Aug 30, 2021
    @InDom 我想了一下好像没有比较好的方法判断执行是否成功
    tacbob
        6
    tacbob  
    OP
       Aug 30, 2021
    @liyang5945 谢谢
    0o0o0o0
        7
    0o0o0o0  
       Aug 30, 2021
    MutationObserver
    About     Help     Advertise     Blog     API     FAQ     Solana     2689 Online   Highest 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 44ms UTC 02:31 PVG 10:31 LAX 19:31 JFK 22:31
    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