JS 小數轉換成百分比

var A=0.3587;
document.getElementById("eastRate").innerHTML = A.toPercent();

 

Number.prototype.toPercent = function() {
    return (Math.round(this * 10000) / 100).toFixed(0) + '%';  //36%
}

 

Number.prototype.toPercent = function() {
    return (Math.round(this * 10000) / 100).toFixed(1) + '%';  //35.9%
}