Here is the quick JavaScript code snippet to capitalize the first letter of a string. How to use Details of each function which we used to capitalize the first letter of a given string. charAt() return the character at […]
How can I paginate an array of objects in JavaScript?
Depending on your needs sometimes you may wish to create a pagination with an array of items. This post will teach you, paginating an array objects in Javascript. When manually(Without plugins) paginating, you should manually […]
How to Apply CSS Classes Conditionally in Angular 2
Angular 2 provide different ways to apply class to the elements based on certain conditions. In this post I would like to show you couple of ways to conditionally applying class to a DOM element in Angular 2 with ngClass. […]
Exponentiation operator (**) in JavaScript
The exponentiation operator was introduced in ECMAScript 2016, ** is used to denote this operator. It accepts base on its left-hand side and exponent on its right-hand side, respectively. Syntax Prior to exponentiation […]
Auto refresh current page with regular intervals using JS
To refresh or reload active or current page using JavaScript, you can use the location.reload() and setTimeout() methods. The reload() method does the same as the reload button in your browser.The setTimeout() method calls […]
JavaScript ES6 Destructuring in Depth
Destructuring is alluring language feature, I’ve been using the most. Destructuring is provides a convenient way of extracting multiple values from the objects, Arrays, Map and Set. For better and easy understanding, […]
Angular 2 – Async Validator – Username/email availability check
In this post I will show you, how we can create custom async validator to check for email availability, same logic you can apply for username or other async validations. Lets create a component: Here is my user service: […]
ECMAScript 2016 – Finding if a value exists in an array using JavaScript
We gonna use ECMAScript 2016’s new includes() method to determine whether an array contains a specific element. The new method includes(searchElement, fromIndex) function searches an array for a specific value and […]
JavaScript Promise API
Promises can replace the asynchronous use of callbacks, and they provide several benefits over them. Basic Promise Usage A new Promise is created with the new Promise() constructor and the promise provides resolve and […]
JavaScript const keyword
In my previous post I wrote about let keyword, in this post I would like to write about another new ECMAScript 6 keyword, const. There is no much difference between const and let, both works similar way , both are having […]
JavaScript let keyword
In this tutorial I will introduce you to new ECMAScript 6 let keyword. Variables declared with let keyword behave like other languages variables. These variables are unlike to the variables which are declared with var […]
JavaScript measuring execution time
JavaScript performance is becoming increasingly important, it is good to know basic instrumentation techniques. One of the basic instrumentation tool is console.time and console.timeEnd. console.time() starts a new timer […]
Array.from Function
ECMAScript 6 supports a generic Array method for converting an array-like object into one of its own.It is Array.from(). This method is very useful while converting iterable objects to arrays, code will be much cleaner […]
AngularJS – IsArray function
AngularJS isArray() is one of the useful ng function. This function is used to identify if a reference is array or not. This function return Boolean which means , it will return true if the reference is an array, return […]
JavaScript Module Pattern
Design patterns offer developers ways to solve technical problems in a reusable and elegant way. Probably module pattern is the most used and widely accepted JavaScript pattern and you’ve probably used it before […]