推荐关注
› Meteor
› JSLint - a JavaScript code quality tool
› jsFiddle
› D3.js
› WebStorm
推荐书目
› JavaScript 权威指南第 5 版
› Closure: The Definitive Guide
wico97

js eventlister 控制

  •  
  •   wico97 · Mar 27, 2017 · 3330 views
    This topic created in 3511 days ago, the information mentioned may be changed or developed.

    if (window.DeviceOrientationEvent) { window.addEventListener('deviceorientation', function(eventData) { d =eventData.gamma; //执行打码 },false); } js 事件监听会一直不断的重复执行代码。怎么让代码只执行一次。或者让 eventData.gama 赋值给一个变量,让全局使用?

    7 replies  •  2017-03-28 16:49:02 +08:00
    seki
    seki
    Mar 27, 2017
    1
    removeEventListener
    Merlini
    Merlini
    Mar 27, 2017 via Android
    2
    once
    wico97
    wico97
    OP
    Mar 27, 2017
    3
    @Merlini 什么 once
    FrankFang128
    FrankFang128
    Mar 28, 2017
    4
    在监听里面取消监听啊……
    malcolmyu
    malcolmyu
    Mar 28, 2017
    5
    @wico97 #3 监听之后就 remove 掉呗
    Merlini
    Merlini
    Mar 28, 2017 via Android
    6
    @wico97 JQuery 有个方法 once ,就是只绑定一次,不过你用原生写的就 remove 好了
    wico97
    wico97
    OP
    Mar 28, 2017
    7
    @malcolmyu
    @Merlini 好的。我已经用 remove 解决了
    About   ·   Help   ·   Advertise   ·   Blog   ·   API   ·   FAQ   ·   Privacy   ·   Solana   ·   1815 Online   Highest 6679   ·     Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 · 120ms · UTC 09:29 · PVG 17:29 · LAX 01:29 · JFK 04:29
    ♥ Do have faith in what you're doing.