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# VBScript Abs Function * * Complete VBScript Reference Manual](#) * * * The Abs function returns the absolute value of a specified number. **Note:** If the number parameter contains Null, Null is returned. **Note:** If the number parameter is an uninitialized variable, 0 is returned. ### Syntax Abs(number) | Parameter | Description | | :--- | :--- | | number | Required. A numeric expression. | ## Examples ## Example 1 document.write(Abs(1) & "
") document.write(Abs(-1)) The output of the above example: 1 1 [Try it »](#) ## Example 2 document.write(Abs(48.4) & "
") document.write(Abs(-48.4)) The output of the above example: 48.4 48.4 [Try it »](#) * * Complete VBScript Reference Manual](#)