HTML, CSS, & JavaScript.
Chat with our AI personalities
If the browser can not interpret your content it will display the characters as plain text, just like you are reading here. If you use a character that the browser does not understand, the browser will ignore it or insert the closest ASCII equivalent character.
Thousands if not tens or hundreds of thousands.
the only reason that you study languages is so that when you have a job and your custemer is french you would be able to understand them or even you go to France or any country you would understand themand interact.
Programming languages are important because they....well...help us make programs :) High level programming languages are especially important because they help abstract away all of the little details that are required in low level languages.
They are not programming languages and do not create programs, so they don't need a compiler. A browser opens a web page and reads the HTML or XHTML and displays it, more like an interpreter would.