Does jquery traverse elements exist

Description: The following code is intended to always scan the Web page for the presence of the element you are looking for, always traverse the loop lookup!

$ (function () {

jQuery.fn.wait = function (func, times, interval) {

var _times = Times | | -1,//100 times

_interval = Interval | | 20,//20 milliseconds per

_self = this,

_selector = this.selector,//Selector

_iintervalid; Timer ID

if (this.length) {//If you have already obtained it, execute the function directly

Func && Func.call (this);

} else {

_iintervalid = setinterval (function () {

if (!_times) {//Is 0 exit

Clearinterval (_iintervalid);

}

_times <= 0 | | _times--; If it's a positive number--

_self = $ (_selector); Select again

if (_self.length) {//to decide whether to take

Func && Func.call (_self);

Clearinterval (_iintervalid);

}

}, _interval);

}

return this;

}

$ ("#win_cs_pannel"). Wait (function () {

Window.Scroll (0, 605)

});

})

not going to the meeting, just a process!  

This article is from the "Happy and simple" blog, make sure to keep this source http://1120173856.blog.51cto.com/2882946/1637471

Does jquery traverse elements exist