Basic HTML version of Foils prepared 8 Feb 98

Foil 87 Parsing Functions

From Overview of Basic JavaScript -- Web Scripting Language CPS616 Technologies of the Information Age -- Spring Semester 98. by Tom Scavo,Geoffrey C. Fox
1 parseInt() and parseFloat() convert their arguments to numbers: parseFloat("12.34"); //returns 12.34 parseInt("12.34"); //returns 12 parseFloat("12.34 ft"); //returns 12.34 parseInt("111", 2); //returns 7 parseFloat("$12.34"); //returns NaN
2 A handy trick: var numeric_val = string_val - 0;
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