2018.8.13

注册随机验证码

获取验证码提交

var inp = document.getElementById('input');
var btn = document.getElementById('btn');
var a = Math.floor(Math.random() * (9999 - 1000 + 1) + 1000);
console.log(a);
btn.onclick = function() {
if(btn.innerHTML == '获取验证码') {
alert('您的验证码:' + a)
btn.innerHTML = "60秒后获取验证码";
//用来当秒数的
var i = 59;
//执行
var xh = setInterval(function() {
btn.innerHTML = i + "秒之后获取"
i--;
if(i == 0) {
clearInterval(xh);
btn.innerHTML = "获取验证码";
}
}, 1000);
}
}
var btns = document.querySelector('.btns');
btns.onclick = function() {
if(inp.value == a) {
alert('验证通过，正在跳转....');
location = './new_file.html'; //#设定跳转的链接地址
} else {
alert('验证失败，重新尝试')
}
}