29 lines
955 B
JavaScript
29 lines
955 B
JavaScript
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<HTML>
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<HEAD>
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<TITLE>Number Formatting - Happy Codings :-) JavaScript Code Examples</TITLE>
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<SCRIPT LANGUAGE="JavaScript">
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// generic positive number decimal formatting function
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function format (expr, decplaces) {
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var str = "" + Math.round (eval(expr) * Math.pow(10,decplaces))
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while (str.length <= decplaces) {
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str = "0" + str
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}
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var decpoint = str.length - decplaces
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return str.substring(0,decpoint) + "." + str.substring(decpoint,str.length);
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}
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function dollarize (expr) {
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return "$" + format(expr,2)
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}
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</SCRIPT>
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</HEAD>
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<BODY>
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<H1>Make Money - Happy Codings :-) JavaScript Code Examples</H1>
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<FORM>
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Enter a positive floating-point value or arithmetic expression to be converted to a currency format:<P>
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<INPUT TYPE="text" NAME="entry" VALUE="1/3">
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<INPUT TYPE="button" VALUE="Dollars and Cents" onClick="this.form.result.value=dollarize(this.form.entry.value)">
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<INPUT TYPE="text" NAME="result">
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</FORM>
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</BODY>
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</HTML>
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