19.4. Calculating the Absolute Value of a Numeric Value: abs() Function

The abs() function is used to calculate the absolute value of a certain numeric value. If any error occurs, it returns invalid. The following WMLScript example demonstrates the use of abs():

x = Lang.abs(-100);
y = Lang.abs(100);
z = Lang.abs(-2.55);

After the execution of the above script, x and y have the integral value 100 while z has the floating-point value 2.55.

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