Realization of short-message button countdown (super Simple) _javascript technique based on javascript

Taobao and other shopping sites, we will see a message to send the Countdown button, on Earth is how to achieve it? Below I will give you a piece of code is very practical.

Nonsense not much said, directly to everyone paste JS code.

 * *
 120 seconds Mobile phone Short message button Countdown
 /exports.sendmessage = function (name) {
  var second =;
  $ (name). attr ("Disabled", true);
  var color = $ (name). CSS (' Background-color ');
  $ (name). attr ("style", "Background-color: #c1c1c1");
  function Update (num) {
   if (num = = second) {
    $ (name). attr ("style", "Background-color:" +color);
    $ (name). Text ("Get Validation Code");
    $ (name). attr ("disabled", false);
   else {
    var printnr = second-num;
    $ (name). Text (Printnr + seconds to get);
   }
  function Uupdate (i) {return
   function () {
    update (i);
   }
  }
  for (var i = 1; I <= second i++) {
   settimeout (uupdate (i), I * 1000);
  }
 

The above code is this article for you to introduce the JavaScript implementation of mobile phone Short message button countdown all narrative, I hope you like.