Question

我是JavaScript的新手，所以潜入新事物会让我遇到很多问题......

在这种情况下，我想存储一个引用变量数组，但不起作用。

    var pressTimer, timers = [];
    function addEventTapHold(element, func, time) {
        document.getElementById(element).addEventListener('touchend', function(){
            console.log("Clear allll");
            //TRY TO CLEAR TIMEOUT OF ARRAY BUT NOT WORK
            for (var timer in timers) {
                clearTimeout(timer);
            }
            timers = [];

            //IMPLEMENT CODE


            return;
        });

        document.getElementById(element).addEventListener('touchstart', function(event){
            pressTimer = setTimeout(function(){
                func(element);
                isTapHold = true;
            },time);

            //PUSH TIMER TO ARRAY 
            timers.push(pressTimer);
        });
    }

我期待很快听到一些建议。非常感谢你。

Answer 1

看起来你的函数期待参数“time”，而不是“timers”

Answer 2

    var timers = [];
    function addEventTapHold(element, func, time) {
        document.getElementById(element).addEventListener('touchend', function(){
            console.log("Clear allll");
            //TRY TO CLEAR TIMEOUT OF ARRAY BUT NOT WORK
            for (var timer in timers) {
                clearTimeout(timer);
            }
            timers = [];

        //IMPLEMENT CODE


        return;
    });


    document.getElementById(element).addEventListener('touchstart', function(event){

         //define the pressTimer as local variable here 
         var pressTimer = setTimeout(function(){
            func(element);
            isTapHold = true;
        },time);

        //PUSH TIMER TO ARRAY 
        timers.push(pressTimer);
    });
}

数组存储引用变量不起作用 - Javascript

2 个答案: