function isRealNum(inputData) { ???if (isNaN(inputData) || parseFloat(inputData).toString() == "NaN") { ???????return false; ???} else { ???????return true; ???}}
JS判定数字
function isRealNum(inputData) { ???if (isNaN(inputData) || parseFloat(inputData).toString() == "NaN") { ???????return false; ???} else { ???????return true; ???}}
JS判定数字