[英]How to check if on input matches a string pattern with jQuery
我的目標是檢查 email 輸入字段(當用戶在其中輸入字符時)是否與模式匹配。 到目前為止,這是我的工作示例,但是當它到達實際匹配“同時”輸入過程的地步時,我感到卡住了......
下面是我正在嘗試利用的工作示例......
//...
var $attemail = mtarget.find(".my-email-field"); //INPUT
function validateEmail(email) {
var re = /\S+@\S+\.\S+/;
if (re.test(email) == false) {
console.log('Email field is not valid');
//issueFlag.push(noticeEmail);
}
}
function checkEmailOnType() {
$attemail.on("input", function(){
var $characters = jQuer(this).val();
if ($characters.toLowerCase()) {
//IF MY CHARACTER TYPING IS PASSING OR NOT PASSING
//MY validateEmail() FUNCTION ABOVE, HOW DO WE SAY THAT?
}
});
}
//...
向您的 function 添加一個返回值。您的返回值undefined
,您可以更改它以返回re.test(email)
的結果。
//...
var $attemail = mtarget.find(".my-email-field"); //INPUT
function validateEmail(email) {
var re = /\S+@\S+\.\S+/;
return re.test(email)
}
//function checkEmailOnType() {
$attemail.on("input", function(){
var $characters = jQuer(this).val();
if ($characters.toLowerCase()) {
//IF MY CHARACTER TYPING IS PASSING OR NOT PASSING
//MY validateEmail() FUNCTION ABOVE, HOW DO WE SAY THAT?
if(validateEmail($characters) == false){
console.log('Email field is not valid')
}
}
});
//}
//...
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.