// program to validate the email address function validateEmail(email) { // regex pattern for email const re = /\S+@\S+\.\S+/g; // check if the email is valid let result = re.test(email); if (result) { console.log('The email is valid.'); } else { let newEmail = prompt...
Write a JavaScript program that prevents form submission if required fields are empty and sets focus on the first empty input. Write a JavaScript function that uses regex to validate an email field and shows a custom error message if the format is incorrect.Improve...
如果条件为假,则执行另一段语句。 function validate(str){ if(str.length >= 12){ return '密码非常安全'; }else if(str.length >= 6){ return '密码比较安全'; }else{ return '密码不太安全'; } } let valid = validate('123123'); console.log(valid); //密码比较安全 三元表达式 一个条件...
To validate an email address we therefore need to make sure that the email address contains an “@” character. We also need to check that the address contains at least a few characters before the “@” character to ensure the user has included their username. We need to make sure that ...
Create regular Expression to validate File Names Create Session in Class Library Create table column IsActive on 0 Create table dynamically create word document in ASP.NET create zip file from csv file Create/Download XLSX file in Javascript. Creating a file on network path through ASP.net applic...
A better way to validate special characters in passwords? A connection attempt failed because the connected party did not properly respond after a period of time A DataTable named 'tablename' already belongs to this DataSet. A field or property with the name X was not found on the selected ...
The Office Add-ins manifest validator examines your add-in's manifest file to determine if it's correct and complete. If you created your add-in project using the Yeoman generator for Office Add-ins (version 1.1.17 or later), you can validate the manifest by running the following command ...
When working with this JavaScript library, you do not need to undergo a tedious building it all from scratch. Of course, you still need to validate data in the back-end to make it work properly. Moreover, some of the formatting features of Cleave.js are credit card number, date, phone...
1exec() Executes a search for a match in its string parameter. 2test() Tests for a match in its string parameter. 3toSource() Returns an object literal representing the specified object; you can use this value to create a new object. ...
Write a JavaScript program to implement the Luhn Algorithm used to validate identification numbers. For example, credit card numbers, IMEI numbers, National Provider Identifier numbers etc. Click me to see the solution 81. Create Keys with Function for Object ...