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Ingy döt Net 2013-04-10 12:38:42 -07:00
parent 3af7344581
commit 86c034bb8b
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Task/Determine-if-a-string-is-numeric/JavaScript/determine-if-a-string-is-numeric.js Normal file
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var value = "123.45e7"; // Assign string literal to value
if (isFinite(value)) {
// value is a number
}
//Or, in web browser in address field:
// javascript:value="123.45e4"; if(isFinite(value)) {alert('numeric')} else {alert('non-numeric')}