Javascript Sentence Examples
If you'd rather only enable Javascript capabilities for specific websites, and still block it when you're visiting the rest of the Internet, you'll need to follow the procedure above up to the "Custom Level" page.
The headings are automatically opened when the page is loading and are then closed using JavaScript.
This is a relatively new development, and was probably spurred by the fact that people who did have some expertise in the realm of CSS, HTML, and javascript were able to do astonishing things with their Xanga design codes.
The confusion is understandable; people often hear about how they may want to "turn off JavaScript" on their browsers, and this can lead them to imagine that it is an application or an add-on to their systems.
Set up the images to pre-load with javascript statements in the HEAD portion of the document (you can have the images load dynamically, but that takes longer, and should only be used for very large images).
The term Ajax was coined last February to describe a combination of Web technologies, including JavaScript and XML.
JavaScript must be enabled in your browser settings for the personalized checklist to work.
Back buttons are disabled, JavaScript is demanded and the log-in routine is often cryptic at best.
The Unix Teaching System's mozilla has JavaScript disabled by default.
Portals are aimed at human end-users using common Web ' standards ' such as HTTP, HTML, Java and JavaScript ' .
AdvertisementThe only decimal separator known to javascript (new releases possibly excepted) is the decimal point, " .
Note that does not include use of Javascript event handlers.
The web site will be created using Java, javascript.
Readers with JavaScript can navigate the slides either via previous and next, the cursor up and cursor down keys ora table of contents.
Well, it's all done thanks to the magic of Javascript rollovers.
AdvertisementThe Javascript rollover has been widely used for image buttons on navbars in the past.
The difference is that Java is a fully fledged programming language whereas Javascript is simply part of a normal Web page.
Sites that rely on Javascript or cookies can be rendered unusable to theses users.
Well, it 's all done thanks to the magic of Javascript rollovers.
JavaScript must be enabled in your browser settings for the glossary links to work.
AdvertisementEmail This email address is being protected from spam bots, you need Javascript enabled to view it to get on the mailing list.
The difference is that Java is a fully fledged programming language whereas Javascript is simply part of a normal web page.
The reason for this was to protect sensitive Javascript coding from launching unnecessary actions.
Some PS3 Internet browsing problems have arisen, however, over the use of Java and Javascript on websites.
All you need is Internet access and a web browser with Javascript capabilities, or you can also use the programs on your mobile phone or other handheld device.
AdvertisementWidget code might be composed of JavaScript, Adobe Flash plug-in or Windows Media.
For example, JavaScript may lead to additional text, whereas Adobe Flash plug-in or Windows Media might lead to a video or music file.
However, keep in mind that MySpace does not allow the use of JavaScript, so when choosing MySpace widgets, avoid javascript.
Note that there are other elements of the header that should go on, such as the
, tags, and whatever javascript may be needed. They will also tell you whether javascript, java, perl, or other web effects like rollovers are used.
Some of the included scripts such as Javascript and CSS are not very advanced.
If this is your first web site, you have a large learning curve and it takes time to learn about Flash, CGI, JavaScript and Style Sheets.
Some use flash or javascript to upload the image into a directory that the site will automatically file correctly.
The technique takes HTML text and dynamically converts it to Flash text using CSS code and javascript that performs the replacement routine when the page is loaded.
The only drawback is that the user's browser must be both Flash and javascript enabled.
Some websites need to be customizable at the code level - meta-tags, javascript, AJAX, CSS codes and other web 2.0 tools and technologies.
Games - Flash and Javascript games are on the site for that quick diversion.
The page has the same document structure of almost any other HTML page - with Headers containing javascript and meta tags, followed by a Body section with actual content.
Part of the learning curve for web interactivity is answering the question "How do I enable Javascript?"
It's entirely possible that you will never have to enable javascript, because most web browsers have it enabled by default.
Javascript, on the other hand, enables web designers to put dynamic content on a site.
However, not everyone does keep javascript enabled, for several reasons mentioned below.
As a web designer, you should check how your web pages look with and without javascript enabled, to make sure you are still getting the information that you want out there.
There are as many different ways to enable and disable javascript as there are browsers.
Since it is a fairly common task, however, it is something that is easily found in any browser's "Help" file, or by typing in the browser name, version, and "disable javascript" in Google.
In the Preferences panel, it's not as clear where you'll find the javascript enable button.
In that section, wherever it is located, is a "enable/disable" javascript checkbox.
It's a simple on/off process, and once clicked one way or another, simply click "OK" (or, in some browsers, "APPLY") and javascript will be working - or not, as you like.
For this reason, many web developers recommend that users of Internet Explorer especially disable javascript.
This means that when they come to your website, any content that you have that "depends" on javascript will not show up - and that shouldn't matter.
Make sure that your javascript content is value-added, not essential, to your website.
You can also rely on other scripting languages such as AJAX and Flash to add interactivity and dynamic content, leaving the dangers of javascript far behind.
While client-side scripting is definitely a security concern, the widespread use of Javascript throughout the Internet makes it nearly impossible to disable Javascript for Internet users.
However, while corporate IT security may disable browser scripting like ActiveX, which compiles and runs itself on a client PC, very few security groups go so far as to disable Javascript capabilities.
They enable Javascript in Internet Explorer, Firefox and other browsers that employees use because most websites both on the Internet and most Intranets make use of some form of Javascripting.
So, you've probably visited a few websites using Internet Explorer and you keep getting a warning that you need to enable Javascript to view the website correctly.
Maybe you even searched through the Internet Explorer settings, but can't seem to locate where you can enable Javascript.
If you follow the procedure below, you can enable Javascript support in your browser if you're using Internet Explorer version 6 or higher.
By enabling "Active Scripting," you are allowing any website you visit to run client-side Javascript within your browser.
Since Javascript is inherently not very powerful as a scripting language, you have nothing to worry about.
Once you're there, follow this procedure to enable Javascript for specific sites.
While this is a safer approach, you'll still find that you come across new websites often that don't work until you enable Javascript for that site.
Sometimes, when you first install a new browser or upgrade to a new version, the default settings have Javascript disabled.
Following the procedures listed above will enable Javascript again so that features like pop-up windows, certain types of forms and other interactive website tools will work properly.
Be careful before you ask someone "How do I install JavaScript?"
The question betrays an ignorance of the way JavaScript works and what the language really is.
However, that is an inaccurate view - when you "turn off" JavaScript, what you are really doing is turning off your web browser's ability to read and execute JavaScript code within the web page.
JavaScript itself is actually code that is inserted into the HTML page and is usually never seen by the average user.
That is both the blessing and curse of JavaScript - while it can be quite useful and enriching, it can also be annoying and malicious.
For this reason, several security experts recommend that users (especially users of Microsoft Internet Explorer) disable JavaScript.
This means that when the browser looks at the code of a web page (or is "served" the code by the server) it will only execute the "safe" HTML codes, and ignore the JavaScript code snippets completely.
The good news is that since JavaScript is just a language, you don't need anything more powerful than NotePad and your brain to write it.
JavaScript is one of the first ways people took the web beyond just static, one-way communication, and as a result the top methods and best practices are already worked out.
In fact, many programmers use JavaScript to dip their toes in the world of code before moving on to more robust languages like Java or Ruby.
Because JavaScript is such a venerable language, there are also many, many free scripts available online that you can copy and paste into your own HTML pages.
External .js Files - Instead of ending in the ".html" suffix, ".js" files are simply JavaScript code that is referenced by an HTML file, usually by a call within the HEAD of the document.
JavaScript in-line - It is also possible to designate parts of the document that are set aside with
One of the earliest examples of user-interaction on web pages were Javascript rollovers.
Creating a javascript rollover is often the first bit of coding beyond basic HTML that any web designer learns.
Those are the three parts to javascript rollovers.
As long as someone has javascript enabled, they will be able to see your images flicker on and off.
There are many different ways to code javascript rollovers.
Many more tutorials and javascript methods are available on the web, but starting with rollovers is a good way to introduce yourself to the syntax, structure, and practice of web coding.
In other words, all you have to do to "download JavaScript" on your computer is open a web page that has JavaScript in it and make sure that your browser is enabled to run the Javascript.
That's where the JavaScript lives, separate from all the "regular" HyperText Markup Language (aka HTML).
There's a very good reason for this separation of JavaScript from HTML.
Unlike server-side scripts, which do the computing work before the page gets to your computer, JavaScript uses your computer's power to do the work.
Unscrupulous coders use JavaScript to prey on unshielded browsers and computers to spread viruses and malware and cause many other problems.
For this reason, many web security experts recommend that you disable JavaScript entirely.
In fact, it's such a common task that almost all browsers make it very easy to disable Javascript in the settings.
Most of the time, you won't even know (or need to know) when you've downloaded some JavaScript onto your computer.
You are also able to insert Javascript programming and embed other codes into your web document.
Nor are they any kind of javascript; these are simply tags that give your content a little extra zing.
Taking the time to learn advanced HTML codes before jumping into things like CSS and Javascript can make integrating those Web 2.0 techniques a much easier process.
There is no use of javascript or CSS to make the page layout flow with the browser, and no evidence of other interactive elements using AJAX or other web 2.0 tools.
On the other hand, you may want to dive right into the Web 2.0 world of Flash with Wix.com, another drag-and-drop cookie cutter design site - but with Flash elements instead of HTML or JavaScript.
For more experience coders, advanced elements such as CSS formatting and JavaScript give complete customization ability.
Today, scripting can be written in Javascript, Java, Visual Basic (.NET), Cold Fusion and much more.
You can put the code for a rollover in the same line as a link, or you can put it in a javascript declaration in the
of a document and just "call" the function later on.This was accomplished by giving the images individual names using a javascript declaration.
You can become more familiar with javascript through many tutorials here on LoveToKnow and on the web.
At the same time, learning how these calls for image swaps and javascript functions work will give you much more confidence when writing code.
LoveToKnow has many tutorials on various kinds of HTML basic code, as well as more advanced topics such as Javascript and CSS.
The first of these technologies to really start expanding the boundaries of HTML was javascript.
The first "rollover" image buttons, for example, were created with javascript.
Forms used to collect data were created with javascript as well.
However, like HTML itself, javascript ran into problems of its own, the biggest being security flaws.
For example, you can use javascript as part of a link so that the link will pop-up a new window.
This can include JavaScript, Flash, Java or other web scripting languages.
Designers who use HTML are forced to rely on a more limited programming language such as javascript or a technology such as Flash to make their pages more interactive.
They first developed ActionScript, a coding language similar to JavaScript, letting web designers assign behaviors and classes and instances to various graphic elements.
Notice that, unlike an HTML or JavaScript page, there is no header on a style sheet.
Javascript is a programming language in its own right, though a fairly limited one; it turns the browser itself into a computing platform enabling better interaction with website visitors and up-to-the minute dynamic content.
Because javascript is a computing language, clever but unethical programmers have used it to create exploits and viruses that can be very damaging to your computer and use it as a platform for doing more bad things to other computer.
There are many websites on the Internet that depend upon scripting in order to display properly, so you'll need to know how to enable Javascript in Internet Explorer if you want to visit those websites with IE.
While you should be concerned about downloading and installing ActiveX controls, Javascript is not a serious security threat and you should leave it enabled if you want most of the web pages you visit to work correctly.
Most developers make sure that their websites can still communicate the message they want whether JavaScript is enabled or not; others put the interactive parts into other kinds of interactivity such as CSS, AJAX, Flash, and widgets.
Before this thought makes you too relieved, keep in mind that while things like Activex and Flash are safer than JavaScript, they actually do require you to download plug-ins and additional applications.