js策略模式

var formCheckStrategies = {
'phone': function(input){
var reg = /^(((13[0-9]{1})|(15[0-9]{1})|(18[0-9]{1}))+\d{8})$/
return reg.test(input)
},
'url': function(input) {
var reg = /(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\+#]*[\w\-\@?^=%&/~\+#])?/
return reg.test(input)
},
'email': function(input) {
var reg = /^([a-zA-Z0-9_\.-])+@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-])+/
return reg.test(input)
},
}

var checkForm = function(strategy,input) {
return formCheckStrategies[strategy](input)
}

console.log(checkForm('phone', '18576673456'))
console.log(checkForm('phone', '15724'))
console.log(checkForm('url', 'http://www.dd.com'))
console.log(checkForm('url', 'http:dsds.c'))
console.log(checkForm('email', '2279@qq.com'))
console.log(checkForm('email', '2154'))