why is javascript interpreted rather than compiled

An old-fashioned solution to this problem used to be to put your script element right at the bottom of the body (e.g. Java is a compiled language, meaning that you write code, then run it through a compiler and create bytecode. Testing Requirements for Various Languages Another difference between programming languages is where they can be run. The intermediary format is translated into machine-readable code by the interpreter to initiate the execution quickly. You can then loop through the buttons, assigning a handler for each using addEventListener(). On larger sites with lots of JavaScript, this can cause a major performance issue, slowing down your site. Did you add your