Chapter 23Evaluation and Compilation
JavaScript is replete with functions that allow you to evaluate various items. The basic idea is that these built-in functions will allow you to extract data about something, such as a string. This is a somewhat advanced topic and many JavaScript developers work for years without ever having to use these functions. So if you have trouble with the functions in this chapter, don’t worry—just do the best you can with them. In time as you encounter places to use them, their use will become more clear.
Evaluating a String
The eval function executes the JavaScript contained within the brackets. In some cases, this may return a value that can be assigned to a variable. It is used to evaluate whatever is passed to ...
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