// 60s获取验证码的js与html

var timer = null;

var count = 60;

$('.box>button').click(function() {

var codeText = $('.code').text();

if (codeText == '获取验证码') {

timer = setInterval(function(){

count--;

$('.code').text(count+'后获取验证码');

if (count <=0) {

clearInterval(timer);

$('.code').text('获取验证码');

}

},1000);

}

});

html:

<!-- 60s倒计时 -->

<div class='box'>

<button class='code'>获取验证码</button>

</div>