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Preview: About.com JavaScript: Most Popular Articles

About.com JavaScript: Most Popular Articles



These articles are the most popular over the last month.



Published: Sat, 24 Sep 2016 11:36:40 +0000

 



Analysis Quiz

2016-09-24T11:36:40Z

Use this quiz-maker script to write an analysis quiz with valued answers for your website.



Are JavaScript and Java the Same Language?

2016-09-24T11:36:40Z

What is JavaScript? It's a popular programming language. This article will answer all your basic questions about what JavaScript is and how to use it.



Everything You Need to Learn JavaScript

2016-09-24T11:36:40Z

Want to use JavaScript on your web pages? There are several alternatives.



What is JavaScript Used For?

2016-09-24T11:36:40Z

What is JavaScript used for? Just where does JavaScript fit into the overall picture when it comes to building web pages correctly? Learn more.



Looking to Download JavaScript Snippets? Here's...

2016-09-24T11:36:40Z

You don't have to pay for JavaScript, and you don't have to write it yourself either -- unless you want to. Find out about free JavaScript downloads.



Why JavaScript

2016-09-24T11:36:40Z

How should you use JavaScript so that it enhances your site.



Here's How to Convert Numbers into Words with...

2016-09-24T11:36:40Z

It's easy to show the results of calculations as numbers, but converting numbers into word form is more complex. This JavaScript let you do this.



Final Javascript Quiz

2016-09-24T11:36:40Z

Test your knowledge of Javascript with this 50 question quiz.



Find When a Web Page Was Last Updated with This...

2016-09-24T11:36:40Z

Want to know when a web page you're on was last updated? Here's a JavaScript command you can use in your browser to display its last modified date.



JavaScript Decision Making - If and Switch/Case...

2016-09-24T11:36:40Z

JavaScript has two ways it can make decisions on what code to run. The more commonly used way is to use if statements but switch statements also have their uses.



JavaScript Making Decisions

2016-09-24T11:36:40Z

You can nest one IF statement inside another using JavaScript.



Two Types of JavaScript

2016-09-24T11:36:40Z

Some JavaScript code just makes your page look a little nicer and more interactive. Other JavaScript provides more essential functionality.



Bulletin Board / Forum Code Converter ...

2016-09-24T11:36:40Z

Convert your pre-prepared forum entries between text, HTML, and bbCode with this script.



How Hard is JavaScript To Learn?

2016-09-24T11:36:40Z

How difficult something is to learn depends on what you already know and how similar the new thing is to what you know.



What Does JavaScript Look Like?

2016-09-24T11:36:40Z

Once advantage to JavaScript is that it is actually downloaded to the local computer before it is interpreted by the browser. This means you can view the source to see the JavaScript. You just need to be able to tell what parts of the page content are JavaScript and what are HTML and CSS.



A Brief History of Javascript

2016-09-24T11:36:40Z

What is Javascript, who created it, and who controls the standards?



The Correct Way to Create Links in JavaScript

2016-09-24T11:36:40Z

Some ways of attaching JavaScript into your web page are better than others. Here we consider the alternative ways that you can attach JavaScript events to your page content.



Understanding What Order to Run JavaScript Code

2016-09-24T11:36:40Z

What order does JavaScript run its code in?



Here's What JavaScript CAN'T Do

2016-09-24T11:36:40Z

There are a few things that the JavaScript programming language does not let you do



Hiding Your Email Address

2016-09-24T11:36:40Z

Conceal your email addressfrom spam spiders.



Here's How to Add a Print Button to Your Web Page

2016-09-24T11:36:40Z

Here are simple code additions you can use to insert a print button or a print link to your web page, and define what content will be printed.



Tools for Making JavaScript

2016-09-24T11:36:40Z

What tools do you need to write JavaScript?



How to Add Radio Buttons to a Web Page

2016-09-24T11:36:40Z

Everything you need to know about radio button creation, including grouping buttons, associating text with each button and validating user selections.



\$ and _ in JavaScript

2016-09-24T11:36:40Z

The $ and _ characters are treated differently in JavaScript to the way you might expect. JavaScript considers them to be letters in some circumstances rather than special characters.



JavaScript and JScript : What's the Difference?

2016-09-24T11:36:40Z

JavaScript and JScript, different languages for different browsers.



Add Continuously Scrolling Images to Your...

2016-09-24T11:36:40Z

This script allows you to display horizontal marquees of continuous scrolling images without a break except when the mouse is moved over them.



Improve Your Web Page by Moving JavaScript to...

2016-09-24T11:36:40Z

You don't have to code JavaScript into your web page's HTML document. For efficient JavaScript, move it to an external file and link to it instead.



Object Oriented JavaScript

2016-09-24T11:36:40Z

Why should use use an object oriented approach to JavaScript? Here are some reasons.



Everything you Need to Know About Ajax...

2016-09-24T11:36:40Z

When should you use asynchronous Ajax calls and when should you use synchronous.



Should You Have a Shorter IF Statement?

2016-09-24T11:36:40Z

When you are assigning different values to a single field depending on a condition, JavaScript provides a way to combine the decision into the assignment.



Use This JavaScript Code to Scroll Text on Your...

2016-09-24T11:36:40Z

This JavaScript allows you to display one or more marquees containing text that will scroll continuously except when the mouse is moved over them.



Google Maps - Satellite Images

2016-09-24T11:36:40Z

How to create and use Google Maps.



JavaScript Functions

2016-09-24T11:36:40Z

A function is more versatile than just running the same code each time because you can substitute different values into rach run as well.



How to Use 'GET' and 'POST' for Server Requests...

2016-09-24T11:36:40Z

When should you use GET and when should you use POST with Ajax.



Using JavaScript to Disable Right Clicks, and...

2016-09-24T11:36:40Z

You can disable access to the right-click context menu on your website with this JavaScript, but it may annoy your visitors, and it can be thwarted.



Do This Instead of Updating Global Variables in...

2016-09-24T11:36:40Z

As well as being able to pass parameters to a function in JavaScript, we can also return a value from the function. Get a tutorial on how to do this.



Understanding 'Switch' Statements in Javascript

2016-09-24T11:36:40Z

This example shows how to use a JavaScript switch statement to provide more than two alternative paths.



Learn Modern Unobtrusive JavaScript

2016-09-24T11:36:40Z

In JavaScript functions and methods are exactly the same thing as all functions are methods.



document.write

2016-09-24T11:36:40Z

How the Javascript document.write method works.



Google Maps - Latitude and Longitude

2016-09-24T11:36:40Z

Find out how to identify location using latitude and longitude on Google maps to display relevant information on your webpage.



A Simple Guide to Using "Ternary" Operators in...

2016-09-24T11:36:40Z

The ternary operator provides a shorter way of writing some JavaScript if statements as this example demonstrates.



The Scope of Variables

2016-09-24T11:36:40Z

JavaScript variables have a different scope from what you would expect from other programming languages.



The JavaScript Modulo Bug

2016-09-24T11:36:40Z

The modulo operator in JavaScript does not return the correct value for negative numbers.



Floating Point and JavaScript

2016-09-24T11:36:40Z

JavaScript doesn't always give you the exact answer you expect when you start using decimals. Here's Why.



Browser Window Size and Position

2016-09-24T11:36:40Z

Depending on the browser type, screen resolution and other settings, the size of a browser window may vary considerably. The solution? A collection of JavaScript functions that return information about the size and position of the browser window. This article explains how they work.



Javascript and XHTML

2016-09-24T11:36:40Z

How to put a Javascript on an XHTML page so that it will pass validation.



How to Split Webpage JavaScript into Separate...

2016-09-24T11:36:40Z

When you first write a new JavaScript the easiest way to set it up is to embed the JavaScript code directly into the web page.



Daylight Saving Time

2016-09-24T11:36:40Z

How to add methods to the JavaScript Date object that allow you to determine if your visitor is on daylight saving time.



Long

2016-09-24T11:36:40Z

JavaScript Glossary definition for: Long



Getting Rid of document.write

2016-09-24T11:36:40Z

The document.write statement was an essential part of early JavaScripts but is now completely unnecessary as anything that can be done with document.write can be done better using innerHTML.



Writing Cookies

2016-09-24T11:36:40Z

How to write a cookie with Javascript.



Use This JavaScript Code to Add a Memory Game...

2016-09-24T11:36:40Z

Test your website visitors' memory skills by adding the memory game known as Concentration to your web page using this simple JavaScript code.



Target Window or Frame

2016-09-24T11:36:40Z

What are the Javascript equivalents to the target attribute on links?



JavaScript for Beginners

2016-09-24T11:36:40Z

Before beginners to JavaScript can start writing their own scripts they first need to understand some of the basic terminology and concepts.



Week of Year Date Method

2016-09-24T11:36:40Z

How to add a method to Javascript dates that allows you to get the week number.



The Bad Parts of JavaScript

2016-09-24T11:36:40Z

There are some constructs allowed in JavaScript where you just make things more difficult for yourself if you use them.



Why Return A Value

2016-09-24T11:36:40Z

Many web pages describe how to return a value from a function in JavaScript. This page explains why you should want to do so for most of your functions.



Countdown Timer

2016-09-24T11:36:40Z

Provides a countdown to a given date and time.



Random Array Sort

2016-09-24T11:36:40Z

How to 'sort' an array in random order.



What Version of Javascript

2016-09-24T11:36:40Z

Determining which version of Javascript is supported by a browser.



Referring Site

2016-09-24T11:36:40Z

How to determine which site your visitor was last on.



What 'Interpreted' and 'Compiled' Means in Java

2016-09-24T11:36:40Z

JavaScript runs as an interpreted language in the web browser. This impacts on how you need to write your code in ways you wouldn't need to worry about if it were compiled.



Quiz Script Generator

2016-09-24T11:36:40Z

Create your own multiple question quizes with this quiz maker script.



Day of Year Date Method

2016-09-24T11:36:40Z

How to add a method to Javascript dates that allows you to get the day of the year.



Modal Dialog Box

2016-09-24T11:36:40Z

A cross browser solution to being ablwe to display a modal dialog box with the content of your choice.



JavaScript Form Processing

2016-09-24T11:36:40Z

Changes to both JavaScript and HTML have affected the way we should be using JavaScript to validate our forms and will affect it further in the future.



Using window.onload

2016-09-24T11:36:40Z

How to attach onload processing to a page without adding it to the body tag.



Cross Browser Ticker/Marquee Example

2016-09-24T11:36:40Z

Add a simple ticker/marquee to your page with this simple Javascript



Block Exit Blockers User Script

2016-09-24T11:36:40Z

Block onbeforeunload to stop web pages using exit blockers.



How to use script tags to link to external...

2016-09-24T11:36:40Z

To link to external JavaScript, use Script tags. These attributes will attach another JavaScript to the page, allowing further JavaScript code to run.



Print Directly to Printer With JavaScript Not...

2016-09-24T11:36:40Z

An explanation of some of the reasons why Javascript can't print a page without the print dialog popping up.



Javascript Format and Colour

2016-09-24T11:36:40Z

Unobfuscate, format, and colour-code a Javascript.



How to Identify and Fix Common Javascript Errors

2016-09-24T11:36:40Z

Mind you brackets and avoid this common javascript error.



JavaScript By Example

2016-09-24T11:36:40Z

Br having your function return an object you can pass back as much information as you like by giving the object multiple properties.



Credit Card Validation

2016-09-24T11:36:40Z

Validate credit card numbers in forms with this Javascript routine for validating the length and check digits.



menubar

2016-09-24T11:36:40Z

JavaScript Glossary definition for: menubar



Modal Windows

2016-09-24T11:36:40Z

How to make a window maintain the focus in those browsers that support it.



Using HTML to Create Collapsible Div Menus

2016-09-24T11:36:40Z

HTML collapsible div menus save space on the web page. The content heavy page becomes “decluttered” which improves its aesthetic and functionality.



How to Write a Session Cookie in Javascript

2016-09-24T11:36:40Z

Web browsers distinguish between three different types of cookies. These types are session cookies, first party cookies, and third party cookies.



Reserved Words

2016-09-24T11:36:40Z

A list of Javascript reserved words and other words with special meanings.



Password Generator

2016-09-24T11:36:40Z

Create your own secure passwords that meet certain length and content requirements.



The Three Parts of JavaScript

2016-09-24T11:36:40Z

Javascript and JScript each have the same three parts in their specifications.



Learn JavaScript Basics (Objects, Functions,...

2016-09-24T11:36:40Z

A series of example JavaScript that shows you how to write JavaScript.



Counting Words

2016-09-24T11:36:40Z

How to use Javascript to count the number of words that have been entered into a text area.



Why You Shouldn't Use JavaScript in Emails

2016-09-24T11:36:40Z

Why not to use JavaScript with emails? Well there are some good reasons why JavaScript and Emails don't go together.



HTML and the DOM

2016-09-24T11:36:40Z

You need to understand how the Document Object Model relates to your HTML source if you expect JavaScript to update the web page correctly.



Calendar Generator

2016-09-24T11:36:40Z

Create the HTML code for a calendar to add to your page



Multiple Choice Quiz Script Sample

2016-09-24T11:36:40Z

This example quiz was built with the multiple choice quiz generator.



href="#"

2016-09-24T11:36:40Z

A # by itself in the href attribute is not valid. Sites teaching you how to write HTML and JavaScript use it as a placeholder that should be replaced in live code with a real destination.



JavaScript Library or Code Yourself

2016-09-24T11:36:40Z

Should you use a JavaScript library or write all the code yourself. Both ways have advantages and disadvantages.



Cross Browser Ticker/Marquee Script RtoL...

2016-09-24T11:36:40Z

Need a simple ticker or marquee for your website? Use this easy script.



Personality Quiz Script Generator

2016-09-24T11:36:40Z

Create your own multiple question personality quizes with this quiz maker script.



Modern Combo Boxes

2016-09-24T11:36:40Z

HTML doesn't have a tag to produce a combo box but we can use JavaScript to create our own.



Getting Started

2016-09-24T11:36:40Z

Introduction to a series of tutorials on programming with JavaScript



Function to Read Parameters Passed Via Q...

2016-09-24T11:36:40Z

How to pass parameters between pages using query strings.



setTimeout or setInterval

2016-09-24T11:36:40Z

What is the difference between setTimeout and setInterval?



Obtaining Your Visitor's IP Address

2016-09-24T11:36:40Z

There are a number of different ways that JavaScript can gewt the IP address of your visitor's computer.



The IF Statement

2016-09-24T11:36:40Z

The Javascript if statement.How to code and use it.



HTML 5 And noscript

2016-09-24T11:36:40Z

HTML 5 proposes changing where the noscript tag can be used so as to reintroduce a use for it.



Using Increment and Decrement Operators in...

2016-09-24T11:36:40Z

For those new to programming the difference between ++i and i++ is not obvious. Here's a simple example to explain the difference.