JS 百分数和小数的相互转化

• 百分数转小数
• 小数转百分数

百分数转小数

		var percent = "4.2%";
		function toPoint(percent){
   		 	var str=percent.replace("%","");
    		        str= str/100;
   		 	return str;
		}
		var result = toPoint(percent); //0.042

测试

小数转百分数

		var point = 0.042;
		function toPercent(point){
			var percent = Number(point*100).toFixed(1);
			percent+="%";
			return percent;
		}
	  	 var result = toPercent(point);

测试

参考
https://blog.youkuaiyun.com/weixin_40829761/article/details/80685168