<P> A JavaScript engine is a program or interpreter which executes JavaScript code . A JavaScript engine may be a traditional interpreter , or it may utilize just - in - time compilation to bytecode in some manner . Although there are several uses for a JavaScript engine , it is most commonly used in Web browsers . </P>
<P> A JavaScript engine is a program or interpreter which executes JavaScript code . A JavaScript engine may be a traditional interpreter , or it may utilize just - in - time compilation to bytecode in some manner . Although there are several uses for a JavaScript engine , it is most commonly used in Web browsers . </P>
portion of browser software that reads and executes javascript
portion of browser software that reads and executes javascript
A JavaScript engine
A JavaScript engine