Basic JavaScript

JS Tutorial JS Introduction JS Where To JS Output

JS Syntax JS Statements JS Comments

JS Variables JS Let JS Const JS Types

JS Operators JS Arithmetic JS Assignment JS Comparisons

JS If Conditions

JS Conditional JS If JS If Else JS Ternary JS Switch JS Booleans JS Logical

JS Loops JS Loop for JS Loop while JS Break JS Continue

JS Strings JS String Templates JS String Methods JS String Search JS String Reference

JS Numbers JS Number Methods JS Number Properties JS Number Reference JS BigInt JS Bitwise

JS Functions JS Objects JS Dates

JS Dates JS Date Formats JS Date Get JS Date Set JS Date Reference

JS Arrays JS Array Methods JS Array Search JS Array Sort JS Array Iterations JS Array Reference JS Array Const JS Typed Arrays JS Typed Methods JS Typed Reference

JS Sets JS Set Methods JS Set Logic JS Set WeakSet JS Set Reference

JS Maps JS Map Methods JS Map WeakMap JS Map Reference

JS Math JS Math Reference JS Random

JS RegExp JS RegExp Flags JS RegExp Classes JS RegExp Metachars JS RegExp Assertions JS RegExp Quantifiers JS RegExp Patterns JS RegExp Objects JS RegExp Methods

JS Data Types JS typeof JS toString() JS Type Conversion

JS Errors JS Debugging JS Events JS Programming

JS Control Flow JS Scope JS Hoisting JS Strict Mode JS Code Blocks JS Style Guide JS Best Practices JS Mistakes JS Performance

JS Keywords Reference JS Keywords Reserved JS Operator Reference JS Operator Precedence

JS UTF-8 Characters

JS UTF-8 Letters JS UTF-8 Symbols JS UTF-8 Emojis

JS Versions JS 2025 JS 2024 JS 2023 JS 2022 JS 2021 JS 2020 JS 2019 JS 2018 JS 2017 JS 2016 JS 2015 (ES6) JS 2009 (ES5) JS IE / Edge JS History

JS Advanced

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

Object Definitions Object Properties Object Methods Object Display Object Constructors Object this Object Destructuring Object Prototypes Object Iterations Object Management Object Get / Set Object Protection Object Reference

JS Classes JS Class Inheritance JS Class Static

JS Loops JS Iterables JS Iterators JS Generators

JS Callbacks JS Asynchronous JS Promises JS Async/Await

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

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

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

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

jQuery Selectors jQuery HTML jQuery CSS jQuery DOM

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

JS Examples JS HTML DOM JS HTML Input JS HTML Objects JS HTML Events JS Browser JS Editor JS Exercises JS Quiz JS Website JS Syllabus JS Study Plan JS Interview Prep JS Bootcamp JS Certificate

JavaScript HTML Input Examples

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Examples of using JavaScript to access and manipulate HTML input objects.

Button Object

Disable a button Find the name of a button Find the type of a button Find the value of a button Find the text displayed on a button Find the id of the form a button belongs to

Form Object

Submit a form Reset a form Find the value of each element in a form Find the accepted character set of a form Find the action attribute of a form Find the value of the enctype attribute in a form Find the number of elements in a form Find the method for sending form data Find the name of a form Find the target of a form

Option and Select Objects

Disable and enable a dropdown list Get the id of the form that contains the dropdown list Get the number of options in the dropdown list Turn the dropdown list into a multiline list Select multiple options in a dropdown list Display the selected option in a dropdown list Display all options from a dropdown list Display the index of the selected option in a dropdown list Change the text of the selected option Remove options from a dropdown list

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