JavaScript is written in an HTML document. You start it with this tag:
and end it with:
go to notepad and write Javascript code and save it as .js and then import it into a page with a src tag
You need to write the HTML code in the tag format. If you want to write JavaScript put it in <script> tag.
For security reasons, regular JavaScript scripts in web pages are not allowed to write to the local file system.
JavaScript
depending on the intention of the javascript codes you wish to write. there is much you can do with javascript but the only way to find out what "good Java script codes" are is to explore what you want the Javascript to do on the page.
JavaScript is a scripting language that is mainly used within a web browser. Jquery is a library of javascript code that can be used together with your javascript program. A set of functions that can preform common tasks is provided, which will reduce the amount of code that you have to write yourself.
document.write("hello world");
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There isn't much to it:---alert("Hello " + "world!");---'alert' creates a popup, and the + does string concatenation.See related link for a Javascript tutorial.
To start a JavaScript code: <script type="text/javascript"> CODE </script> There is a lot to do on JavaScript if you want to learn it look on: http://www.w3schools.com under the Javascript Section.
write the javascript code to display the reverse no. of given no. (e.g. 247 reverse of 742)
The most common languages used to write websites are HTML, CSS, and JavaScript. HTML is used for structuring the content, CSS for styling and design, and JavaScript for adding interactivity and behavior to the website.