自定義JavaScript的 Sleep 函數

//sleep函數
var sleep = (function(){
    var queue = [],
        isFree = true;
    return function(fn, delay){
        var args = arguments,
            self = this;
        if(isFree){
            isFree = false;
            setTimeout(function(){
                fn();
                isFree = true;
                if(queue.length !== 0){
                    args.callee.apply(self, queue.shift());
                }
            }, delay);
        }else{
            queue.push(args);
        }
    }
})();

// 測試
var card = document.getElementById('a_magic_visit');
for(var i = 0; i < 100; i=i+1){
    try{
        sleep(function(){
            card.click()
        },2000); 
        sleep(function(){
            ajaxpost('magicuse_form_visit')
        },2000);
        sleep(function(){
            hideMenu()
        },2000);
    } catch(e){}
}</pre>