The programs in this language are called scripts. They can be written right in the HTML and execute automatically as the page loads.
Scripts are provided and executed as a plain text. They don’t need a special preparation or a compilation to run.
Different engines have different “codenames”, for example:
The examples of such restrictions are:
Modern browsers allow it to work with files, but the access is limited and only provided if the user does certain actions, like “dropping” a file into a browser window or selecting it via an
The limitation is again for user’s safety. A page from
http://anysite.com which a user has opened must not be able to access another browser tab with the URL
http://gmail.com and steal information from there.
While planning to learn a new technology, it’s beneficial to check its perspectives. So let’s move on to the modern trends that include new languages and browser abilities.
That’s to be expected, because projects and requirements are different for everyone.
Modern tools make the transpilation very fast and transparent, actually allowing developers to code in another language and autoconverting it “under the hood”.
Examples of such languages: