Form Validation in Java Script: HTML 5 adds some attributes that allow form validation. Example:
Category: JavaScript
JavaScript Event Listeners: The addEventListener() method attaches an event handler to an element without overwriting
JavaScript Replacing Elements To replace an HTML element, the element.replaceChild(new Node, old Node) method is
JavaScript Working With DOM element.childNodes //returns an array of an element child nodes. element.firstchild //returns
DOM & Event in JavaScript: Note: JavaScript can be used to manipulate the DOM of
JavaScript Arrays: Arrays store multiple values in a single variable. var courses = new Array
JavaScript Objects Java Script Variables are containers for data values. Objects are variables too, but
JavaScript Functions Java Script function is a block of code designed to perform a particular
For Loop in JavaScript Example1: for (b=1; b<=5; b++){ document. Write(b+”<br/>”); } Output: 1 2
else if Condition in JavaScript else if statement is useful because it lets us specify
JavaScript Arithmetic Operators: Operator Description Example + Addition 10+5=15 – Subtraction 10-5=5 * Multiplication 10*5=50
JavaScript Full Course JavaScript is a high-level programming language that is commonly used for web