In this short tip post, we will learn how to validate an email address in JavaScript using Regular expressions. Objective Validate the input email address using Regular expression in plain JavaScript. Approach Email addresses are consists of two parts: Local…
In this short tip post, we will learn how to remove a particular element from an array in JavaScript. Objective For a given array and an element, our code should find and delete that element (if exists) from an array…
In this short tip post, we will learn how to capitalize (change it to Uppercase) the first letter of a string using JavaScript. Objective To change the first letter of a string to uppercase using JavaScript. Approach We can use…
In this short tip post, we will learn how to replace all occurrence of a string in JavaScript. Objective Finding the occurrences of a given string and replacing them with the given word. Approach There are two approaches: Using RegEx…
In this short tip post, we will learn how to clone the existing array in JavaScript. Objective Create a copy of the array using JavaScript function. Approach Generally, people do the iteration over the existing array and copy each element…
In this short tip post, we will learn how to perform redirection to another webpage using JavaScript. Objective We need to redirect the user to another webpage on a particular event, say when user clicks on a button. Approach We…
In this short tip post, we will learn how to check if a string contains a substring using JavaScript. Objective We need to check whether the given word is present in the string as a substring. Approach We can use…
We all love Ajax, don’t we? And there is an obvious reason. Ajax is great for user experience. In this tutorial, I am going to build an application using Node.js that will let the user upload files using Ajax instead…
I am a ___ developer. If you fill the blank with any single technology say Java or anything else then you are about to become a history. Those days are gone when developers use and code in just one programming…
Slack is without a doubt a widely adopted messaging tool. It’s been used in companies ranging from startups to fortune 1000. Slack offers various features such as integration, groups, private chat and bots. Bots are one of the exciting features…