http://www.mooclab.club/js/xf/login_signup.min.js?_v=f6ac70a1

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8timeLeft:0,timerInterval:null,init:function(){var a=this.$target.closest("form");this.$submit=a.find("#js-signUpButton");if(this.$submit.length){this.$disabler=a.find("#js-signUpDisabler");if(this.$disabler.length){var b=XF.proxy(this,"updateSubmitState");this.$disabler.click(function(){setTimeout(b,0)})}else this.$disabler=null;this.$timerEl=a.find("#js-regTimer");this.$timerNum=this.$timerEl.find("span");this.$timerNum.length&&(this.timeLeft=parseInt(this.$timerNum.text(),10),0<this.timeLeft&&this.enableTimer());
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