August 1999
Intermediate to advanced
1488 pages
72h 53m
English
Content preview from Pure JavaScript
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parseFloat()
JavaScript 1.0+, ECMAScript 1.0+, JScript 1.0+ Nav2+, NES2+, IE 3+, Opera3+ Syntax
parseFloat(string)
Description
The parseFloat() method is used to convert a string to a number.
Example
Listing 6.204 shows how the parseFloat() is used. In the example, parseFloat is called with two different strings. The first string, which contains numeric characters, is converted into a number without any problem. The second string, which contains alphabetic characters, is unable to be converted into a number.
Listing 6.204 Example of the parseFloat() Method
<html> <body> <script language="JavaScript"> <!–– Hide // convert the "1245.31" string to a number document.write("The string 1245.31 converted is" + parseFloat("1245.31") + "<br>"); ... |
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