JavaScript Cheatsheet Loading... JavaScript Basics Set of JavaScript basic syntax to add, execute and write basic programming paradigms in Javascript On Page Script Adding internal JavaScript to HTML < script type = " text/javascript " > //JS code goes here </ script > Copy External JS File Adding external JavaScript to HTML < script src = " filename.js " > </ script > Copy Functions JavaScript Function syntax function nameOfFunction ( ) { // function body } Copy DOM Element Changing content of a DOM Element document . getElementById ( "elementID" ) . innerHTML = "Hello World!" ; Copy Output This will print the value of a in JavaScript console console . log ( a ) ; Copy Conditional Statements Conditional statements are used to perform operations based on some conditions. If Statement The block of code to be executed, when the condition specified is true. if ( condition ) { // block of code to be executed if...