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vanorman/isNumeric

Created June 21, 2010 13:57
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isNumeric
for (i=0; i<foo.length; i++)
{
if (foo.charAt(i)<"0")
{
alert("Your foo is not numeric.");
return false;
}
if (foo.charAt(i)>"9")
{
alert("Your foo is not numeric.");
return false;
}
}
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