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JS Tutorial

JS HOME JS Introduction JS Where To JS Output JS Statements JS Syntax JS Comments JS Variables JS Let JS Const JS Operators JS Arithmetic JS Assignment JS Data Types JS Functions JS Objects JS Events JS Strings JS String Methods JS String Search JS String Templates JS Numbers JS BigInt JS Number Methods JS Number Properties JS Arrays JS Array Methods JS Array Sort JS Array Iteration JS Array Const JS Dates JS Date Formats JS Date Get Methods JS Date Set Methods JS Math JS Random JS Booleans JS Comparisons JS If Else JS Switch JS Loop For JS Loop For In JS Loop For Of JS Loop While JS Break JS Iterables JS Sets JS Maps JS Typeof JS Type Conversion JS Bitwise JS RegExp JS Precedence JS Errors JS Scope JS Hoisting JS Strict Mode JS this Keyword JS Arrow Function JS Classes JS Modules JS JSON JS Debugging JS Style Guide JS Best Practices JS Mistakes JS Performance JS Reserved Words

JS Versions

JS Versions JS 2009 (ES5) JS 2015 (ES6) JS 2016 JS 2017 JS 2018 JS 2019 JS 2020 JS 2021 JS IE / Edge JS History

JS Objects

Object Definitions Object Properties Object Methods Object Display Object Accessors Object Constructors Object Prototypes Object Iterables Object Sets Object Maps Object Reference

JS Functions

Function Definitions Function Parameters Function Invocation Function Call Function Apply Function Bind Function Closures

JS Classes

Class Intro Class Inheritance Class Static

JS Async

JS Callbacks JS Asynchronous JS Promises JS Async/Await

JS HTML DOM

DOM Intro DOM Methods DOM Document DOM Elements DOM HTML DOM Forms DOM CSS DOM Animations DOM Events DOM Event Listener DOM Navigation DOM Nodes DOM Collections DOM Node Lists

JS Browser BOM

JS Window JS Screen JS Location JS History JS Navigator JS Popup Alert JS Timing JS Cookies

JS Web APIs

Web API Intro Web Forms API Web History API Web Storage API Web Worker API Web Fetch API Web Geolocation API

JS AJAX

AJAX Intro AJAX XMLHttp AJAX Request AJAX Response AJAX XML File AJAX PHP AJAX ASP AJAX Database AJAX Applications AJAX Examples

JS JSON

JSON Intro JSON Syntax JSON vs XML JSON Data Types JSON Parse JSON Stringify JSON Objects JSON Arrays JSON Server JSON PHP JSON HTML JSON JSONP

JS vs jQuery

jQuery Selectors jQuery HTML jQuery CSS jQuery DOM

JS Graphics

JS Graphics JS Canvas JS Plotly JS Chart.js JS Google Chart JS D3.js

JS Examples

JS Examples JS HTML DOM JS HTML Input JS HTML Objects JS HTML Events JS Browser JS Editor JS Exercises JS Quiz JS Certificate

JS References

JavaScript Objects HTML DOM Objects


JavaScript Browser Objects Examples

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Examples of using JavaScript to access and manipulate the Browser objects.

Window Object

Open a new window when clicking on a button Open a new window and control its appearance Blur and Focus a new window Close the new window Checks whether the new window has been closed or not Write some text to the source (parent) window Move the new window relative to its current position Move the new window to the specified position Print the current page Resize a window by the specified pixels Resize a window to a specified size Scroll the content by the specified number of pixels Scroll the content to a specified position

Window explained

Screen Object

The visitor's screen: Width The visitor's screen: Height The visitor's screen: Available Width The visitor's screen: Available Height The visitor's screen: Color Depth The visitor's screen: Pixel Depth

Screen explained

Location Object

Return the hostname and port of the current URL Return the entire URL of the current page Return the path name of the current URL Return the protocol portion of the current URL Load a new document Replace the current document Break out of a frame

Location explained

History Object

Display the number of URLs in the history list Create a back button on a page Create a forward button on a page Load a specific URL from the history list

History explained

Navigator Object

Is cookies enabled in the visitor's browser? What is the name of the visitor's browser? What is the engine name of the visitor's browser? What is the version information of the visitor's browser? What is user agent information of the visitor's browser? What is the platform of the visitor's browser? What is the language of the visitor's browser? Is Java enabled in the visitor's browser?

Navigator explained

Popup Boxes

Display an alert box Demonstrate line breaks in an alert box Display a confirm box Display a prompt box

Popup explained

Timing

Simple timing Another simple timing Timing event in an infinite loop Timing event in an infinite loop - with a Stop button A clock created with a timing event Set and stop a timer with setInterval() and clearInterval()

Timing explained

Cookies

Create a welcome cookie

Cookies explained



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