This JavaScript tutorial for Beginners and Professionals will guide you to learn JavaScript Programming with some real-time examples. Please feel free to ask question, I will keep updating this tutorial with answer of your query!
In this Javascript tutorial for beginners you will learn from very basic JavaScript Syntax, how to write javascript code, On page JavaScript, how to write External javascript file, add javascript file reference.
You will learn basic JavaScript coding by examples, how to write javascript in different ways. Before we write any javascript code, you must know that javaScript is case sensitive .
We can write javascript in two way
Javascript code block always starts with <script>
and ends with </script>
.
<script> var _welcomeMessage="Welcome to WebTrainingRoom"; window.alert(_welcomeMessage); </script>
In above example, we declared a variable called _welcomeMessage
, then assigned a string value within "".
var x=10;
, now within the program you cannot write var x="Hello World";
;
semicolon var x
and var X
are two different variablesYou can create a separate javascript file and call that file from your webpage. Here are few characteristic of external javascript file.
<script src="~/scripts/yourJsFilename.js"> </script>
JavaScript is the most popular client side programming languages in the world because of its compatibility with all major web programming languages like java, asp.net, php, python etc, after learning JavaScript syntax, you will be able to develop modern responsive web application using different client side libraries and frameworks.
JavaScript is an object oriented programming language, JavaScript is widely used for all type of web application for different device like mobile, android, tablets, desktop etc. it helps creating beautiful and crazy responsive dynamic websites, so it has huge demand in job market, if you Google for JavaScript jobs, you may see thousands of job opening in your city and across the globe. Some companies are also looking for remote developer, where you can work from home too.
You can build function on google apps using javascript, google apps scripts are purely javascript that allow you to build customized functionalities on top of google apps like google sheet, google workspace etc.
There are many Javascript frameworks and libraries have been developed for modern web application development
The most popular and commonly used JavaScript frameworks are jQuery, Angular, React, Backbone.js, Vue.js, Ext.js, Polymer, Aurelia, Node.js, Meteor etc.
Here you will be learning "how to write JavaScript function" in web designing and development with some real-time examples
Learn JavaScript string functions with examples.
Learn how to work with DOM using JavaScript.
Learn different type of operators we use while writing JavaScript program.
Learn how to write JavaScript function, different type of function syntax with return type.
Learn JavaScript math object and built-in functions
how to work with numbers in javascript, built-in methods for numbers and eval function.
Learn how to work with JavaScript Array, create new Array, add new element, loop through etc.
We can use different in-built methods to remove item from JavaScript array! Like pop, shift, splice, delete etc.
How to find and remove duplicate items from javascript array!
Learn how to find or search an element from JavaScript array using filter method.
Different type of loops in JavaScript, for, foreach, while loop with examples.
Work with Date in JavaScript, add days, month, year, get current time / date using JavaScript
Switch case is very useful when you want to check either of multiple conditions, it works faster than if-else statement.
How to create JavaScript Object and assign values in that!
How to validate user input using JavaScript, different type of format, length, type etc.
Learn how to use regular expression in JavaScript for validation purpose.
Learn how to write conditional logic using if else statement in javascript.
Error handling techniques in JavaScript, how to write try catch block in JavaScript.
What is JavaScript promises , how to use promise with async programming.
Learn how to write asynchronous function in JavaScript.
Learn advance JavaScript features like let variable, arrow function, default parameter value, constant variable, exponentiation etc in JavaScript.
Learn about JavaScript class, object, Inheritance, singleton and more