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Stack Overflow
stackoverflow.com โ€บ questions โ€บ 72119730 โ€บ setting-up-a-basic-javascript-script-on-an-html-page
Setting up a basic javascript script on an html page - Stack Overflow
<head> <script> class _Set extends Set { add(...args) { for (const x of args) { this.add(x) } return this; } } const s = new Set(); const button = document.querySelector('button'); const text = document.getElementById('theText'); button.addEventListener('click', () => { let values, rawValue = document.getElementById('theValue'); if (rawValue.includes(',')) { values = rawValue.split(',').map(x => x.trim()); } else { values = [rawValue,]; } for (value of values) { s.add(value); } text.textContent = `Set(${s.size}) = ${Array.from(s)}`; }); </script> </head> <body> <input type="text" id="theText" placeholder="Enter in a value"/> <input type="button" value="submit"/> Your set now contains: <span id="theSet">{}</span> </body> I suppose this error is occurring because the javascript tries running before the html dom has been rendered and is ready for scripting.
Discussions

Coding CSS, HTML and Javascript - Customize with code - Squarespace Forum
Good afternoon. I have custom codes (not created by me) that I would like to add my site. Specifically on a certain page. It contains javascript, CSS and HTML. The purpose of this custom code is to randomly generate images (saved on a folder in my desktop) at a click of a button. I've tried every... More on forum.squarespace.com
๐ŸŒ forum.squarespace.com
September 27, 2022
HTML/ JavaScript program for input
Hi. For my study I want my participants to compose a simple music track. For this I made a little program with HTML/ JS. You can find it in the attachment. Is... More on forums.limesurvey.org
๐ŸŒ forums.limesurvey.org
August 12, 2016
was having fun learning html css and javascript....until $jquery().)..{))()(())())(((({}{}
Roland O'Donnell is having issues with: i don't know if its me but the frickin $ sign puts me of and all the ()(()()()(()()()()() and to top it off I've stared at this code for 20 min... More on teamtreehouse.com
๐ŸŒ teamtreehouse.com
2
November 21, 2015
What is a good website to practice JavaScript?
There are two ways to go about this To practice code challenges: you have already listed the websites that help practice those. As for how beginning-friendly they are; do you know data structure and algorithm? You can find good courses to learn that using Javascript To practice building web apps and websites: There are lots of resources that have a list of beginning-friendly web or app. This is an example of a github that has such projects. More on reddit.com
๐ŸŒ r/learnjavascript
13
14
September 11, 2023
People also ask

Can I write JavaScript without HTML?
Yes, you can write and run JavaScript directly in online compilers or browser consoles. You can practice more using our online JavaScript compiler.
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wscubetech.com
wscubetech.com โ€บ resources โ€บ javascript โ€บ first-program
First Program in JavaScript (With Code Example)
Why is JavaScript important for web development?
JavaScript makes web pages interactive, dynamic, and user-friendly. It allows you to handle user input, create animations, validate forms, and update content without reloading the page.
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wscubetech.com
wscubetech.com โ€บ resources โ€บ javascript โ€บ first-program
First Program in JavaScript (With Code Example)
How do we run a JavaScript program?
Save your HTML file and open it in a browser like Chrome. Right-click, choose Inspect โ€“ Console, and see the output of your JavaScript code.
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wscubetech.com
wscubetech.com โ€บ resources โ€บ javascript โ€บ first-program
First Program in JavaScript (With Code Example)
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Quora
quora.com โ€บ What-are-some-examples-of-things-you-can-build-using-just-Javascript-HTML-no-additional-frameworks
What are some examples of things you can build using just Javascript/HTML (no additional frameworks)? - Quora
Answer (1 of 2): Well, you can build basic websites, of course. Here are some other projects I built early in my career. I used jQuery in some of them because that was a big deal in 2011 - 2012 when I built them, but I could just as easily have built them in vanilla JavaScript. Project 1: Block...
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Squarespace Forum
forum.squarespace.com โ€บ home โ€บ customize with code โ€บ coding css, html and javascript
Coding CSS, HTML and Javascript - Customize with code - Squarespace Forum
September 27, 2022 - Good afternoon. I have custom codes (not created by me) that I would like to add my site. Specifically on a certain page. It contains javascript, CSS and HTML. The purpose of this custom code is to randomly generate images (saved on a folder in my desktop) at a click of a button. I've tried every...
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JustAnswer
justanswer.com โ€บ computer-programming โ€บ 7awhk-javascript-html-coding.html
Need help entering a simple javascript command on my website content within the html coding. The code I need to enter is
I've dealt with basic CSS tooltips but am not completely sure with the javascript. ... I put the code $('#example').tooltip(options) into the HTML coding but I'm pretty sure I need to enter in script into the header correct? ... If you can help me with this that would be great. It's a real simple fix I just need to know how to put the javascript code into the html coding with the correct options, and enter the script in the header.
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LimeSurvey
forums.limesurvey.org โ€บ english support forums โ€บ can i do this with limesurvey? โ€บ html/ javascript program for input
HTML/ JavaScript program for input - LimeSurvey forums
August 12, 2016 - Ok so I dont need the code to be between the usual <html>, <head>, <body> and <script> "braces"!? I dont need anything in the template except the head of the program if it needs to be there. So where has the code to be in there? It loads the audio and initializes it.
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Team Treehouse
teamtreehouse.com โ€บ community โ€บ was-having-fun-learning-html-css-and-javascriptuntil-jquery
was having fun learning html css and javascript....until $jquery ...
November 21, 2015 - jQuery makes DOM manipulation and traversal extremely simple, but it's still just JavaScript. If you don't like using $, you can replace it with the variable jQuery. ... Be patient with yourself. Programming is difficult, and it takes time to get right.
Find elsewhere
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W3Schools
w3schools.com โ€บ js
JavaScript Tutorial
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
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WsCube Tech
wscubetech.com โ€บ resources โ€บ javascript โ€บ first-program
First Program in JavaScript (With Code Example)
November 7, 2025 - Kickstart your JavaScript journey! Follow this simple guide to write your first program and understand the basics of coding.
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W3Schools
w3schools.com โ€บ js โ€บ js_input_examples.asp
JavaScript HTML Input Examples
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
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Simmons University
web.simmons.edu โ€บ ~grabiner โ€บ comm244 โ€บ weeknine โ€บ including-javascript.html
Including JavaScript In Your Page
... For the most part, you will include the JavaScript as an external file. The <script> tag is what we use to includes our JavaScript. It's a lot like the <link> tag you've already been using to include your CSS files. Here's a very basic snippet of JavaScript using the script tag.
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W3Schools
w3schools.com โ€บ js โ€บ js_htmldom.asp
JavaScript HTML DOM
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
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GeeksforGeeks
geeksforgeeks.org โ€บ javascript โ€บ javascript-hello-world
JavaScript Hello World - GeeksforGeeks
... JavaScript can also be executed within a web page by embedding it directly into an HTML document, which is the standard approach for adding interactivity and dynamic behavior to websites.
Published ย  January 15, 2026
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Hostinger
hostinger.com โ€บ home โ€บ tutorials โ€บ how to add javascript to html: a complete guide
How to add JavaScript to HTML: A complete guide
April 25, 2025 - In this tutorial, we'll show you how to add JavaScript to HTML. The beginning will include a short introduction to JavaScript, while the rest of the guide
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W3Schools
w3schools.com โ€บ js โ€บ js_statements.asp
JavaScript Statements
In HTML, JavaScript programs are executed by the web browser.
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W3Schools
w3schools.com โ€บ js โ€บ js_whereto.asp
JavaScript Where To
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
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W3Schools
w3schools.com โ€บ howto โ€บ default_page4.asp
W3Schools How TO - Code snippets for HTML, CSS and JavaScript
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
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W3Schools
w3schools.com โ€บ html โ€บ html_basic.asp
HTML Basic
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
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W3Schools
w3schools.com โ€บ html โ€บ html_examples.asp
HTML Examples
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
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Irb
lnr.irb.hr โ€บ ebooks โ€บ 1575211416 โ€บ ch1.htm
Chapter 1 -- Creating Simple JavaScript Programs
JavaScript can be combined directly with HTML. The JavaScript language structure is simpler than that of Java. The JavaScript interpreter is built into a Web browser. JavaScript is supported on more platforms than Java. Java applets are compiled and stored on the server as byte codes, but JavaScript programs are simple ASCII text files.