Javascript

JavaScript data types and data structures Tutorial

In this tutorial we are going to discuss JavaScript variables that can hold many data types. There are two types of JavaScript data types Primitive and Non-Primitive. Primitive includes six data types (As per ECMAScript 6) Null Undefined Boolean Number…


JavaScript Operators Tutorial with Working Example

JavaScript operators are used to assign values, compare values, perform arithmetic operations like addition, multiplication,division, substractions and many more. In this tutorial we are going learn JavaScript Operators and how to use them in programme. JavaScript Arithmetic Operators Arithmetic operators…


Launch Bootstrap Modal on page load

In this tutorial I am going to show how to create a web page that launch a Bootstrap model automatically whenever its load. Launching Bootstrap Model on page load requires 3 file jquery, Bootstrap CSS and Bootstrap JavaScript file. Working…


JavaScript Constant (const) Tutorial

Like other programming languages like C,PHP,Java … JavaScript also has Constant feature. As per developer.mozilla.org “Constants are block-scoped, much like variables defined using the let statement. The value of a constant cannot change through re-assignment, and it can’t be redeclared…


JavaScript Variables definition declaration with example

Variable definition – In programming, a variable is a value that can change, depending on conditions or on information passed to the program. In C Language variable is a named location in a memory where a program can manipulate the…


JavaScript Syntax and IDE

The syntax of JavaScript is the set of rules that define a correctly structured JavaScript program. JavaScript can be implemented in a webpage using JavaScript statements that are placed within the <script>… </script> HTML tags in a web page. If…


JavaScript history and Career option

JavaScript is the today’s most popular web language that adds interactivity to any website like playing games, responsive  gallery, slider, dynamic styling, animation and so on. As per Wikipedia.org “JavaScript is a high-level, dynamic, untyped, and interpreted programming language. It…


How to make a BMI Calculator using Pure Javascript

Today I am going to use pure Javascript  to make a web application called BMI Calculator which measures BMI (Body Mass Index). BMI :  According to Wikipedia The BMI is an attempt to quantify the amount of tissue mass (muscle,…




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