Variables hold a wide variety of information temporarily. The JavaScript data types that can be stored in a variable include: JavaScript variables can hold a few other kinds of data, but these are ...

If you want to store the number 9 in a variable, you just write 9. So how do you putt a variable to your code (or declare a variable, as it's more traditionally called)? In JavaScript, all you ...

After adding "y" to "x," JavaScript stores "11.234" in the "z" variable. You can control the number of decimal points that appear in a result by using the "toFixed" function. Instead of adding "x ...