The NULL value is used to represent no value or no object. It implies no object or null string, no valid boolean value, no number and no array object.
Daily Archives: June 17, 2015
Javascript Delete Operator
The functionality of delete operator is used to delete all variables and objects in a program but it cannot delete variables declared with VAR keyword.
Javascript Popup Boxes
Below given are the popup boxes supported by Javascript
- Alert
- Confirm and
- Prompt