Would a native application be faster in all of these? combining data from a database with a template. As a last step, the generated AST either gets interpreted or compiled to assembly. Your email address will not be published. Why aren't and valid JavaScript variable names? In my opinion this is the real definition of of script language not the fact that it is interpreted. Different CPUs (architectures) need different binary codes. If the original author decides that he wants to use a different kind of olive oil, the entire recipe would need to be translated again and resent to you. "Usage statistics of JavaScript as client-side programming language on websites, https://w3techs.com/technologies/details/cp-javascript." It also assures you of the following advantages. A program such as C++ or Java needs to be compiled before running the source code called compiler through a program that converts it to bytecode that the machine can understand and execute. For example, if you have the following script elements: You can't rely on the order the scripts will load in. why is javascript interpreted rather than compiled. Basic was the only other interpreted language in the top 10 for popularity in that day, but probably polluted by its association with Microsoft's Visual Basic. Things become rosier if you combine the two, mostly in the form of JIT. A friend of mine has a search engine for phonebooks and other short strings. Programming languages are technically just doing complicated math very, very quickly. Interpreters translates expressions basing on context. JavaScript is a high-level language, meaning its abstracted from the low-level workings of the computer it is running on. Advantages of compiled languages Programs that are compiled into native machine code tend to be faster than interpreted code. So theres a huge performance drop cause the same code is getting translated 1000 times. JavaScript's C-like syntax robs it of Lisp's clean and elegant syntax. Scripts loaded using the async attribute will download the script without blocking the page while the script is being fetched. Is it really true? And, they're typically much Theoretically, the JavaScript interpreter will read the first line first, which is cool coolness followed by a syntax error. In the other hand an interpreted language starts executing in no time but doesnt do any optimization of code. Write Once Run Anywhere. */, Assessment: Structuring a page of content, From object to iframe other embedding technologies, HTML table advanced features and accessibility, Assessment: Fundamental CSS comprehension, Assessment: Creating fancy letterheaded paper, Assessment: Typesetting a community school homepage, Assessment: Fundamental layout comprehension, What went wrong? In our hummus example, the entire translation is written before it gets to you. Whereas CSS uses elements to apply external stylesheets and