| Property/Functions | Description |
| escape() | Returns a string object in which all non-alphanumeric characters are converted to their numeric equivalent |
| eval() | Accepts a string of JavaScript statements and evaluates it as JavaScript source code |
| Infinity | Keyword that represents positive infinity |
| isFinite() | Method used to determine if a variable has finite bounds |
| isNaN() | Method used to determine whether a variable is a valid number or not |
| NaN | Represents an object not equal to any number |
| parseFloat() | Method used to convert a string to a number of type float |
| parseInt() | Method used to convert a string to an integer |
| unescape () | Method that takes a hexadecimal value and returns the ISO-Latin-1 ASCII equivalent |
