JavaScript is a popular scripting language that is used for web page interactivity and functionality enhancement, form validation, browser instruction, time and date instructions etc. JavaScript can work both on client and server side. So it is capable of processing the data from the user and processing it to the server. JavaScript was invented by the ECMA International Organization and created by Brandon Eich. JavaScript's official name was ECMAScript
What is JavaScript? Why is JavaScript used? Method of writing program Program display method Connect with HTML (Connect with HTML) External JavaScript First program of JavaScript Why is JavaScript to display text on web page? Statement Method to add comment Single line comment Multi line comments JavaScript keywords JavaScript Variable JavaScript data type Primitive data type Composite data type Various types of data are displayed in the above program output Null and undefined data Constant Operator Operand Expression Statement Types of Operators Arithmetic Operator Assignment Operator Increment / Decrement Operator Pre-increment operator Post-increment operators Pre-decrement operator Post-decrement operators Comparison Operator Comparison operators are Logical Operator Logical operators are Concatenation Operator Conditional Statement Conditional statements are Looping Statement Looping Statements are Use of For-In-Loop Break statement Continuum statement Array Array Techniques Regular Method Condensed Method Literal method Function Make the function Program Analysis Function Arguments and Return Value Program Analysis