Jquery 構造器 —按條件轉變文本顏色應用片段

var monthSale = 0;var monthSaleZj = 0;var monthSaleZf = 0;var yearSale = 0; var yearSaleZj = 0;var yearSaleZf = 0;                                         if(monthSaleZj < 0){$("#monthSaleZj").css("color","red");$("#monthSaleZf").css("color","red");}else{$("#monthSaleZj").css("color","green");$("#monthSaleZf").css("color","green");}if(yearSaleZj < 0){$("#yearSaleZj").css("color","red");$("#yearSaleZf").css("color","red");}else{$("#yearSaleZj").css("color","green");$("#yearSaleZf").css("color","green");}<p align="center">       <font face="黑體" size="4"> 月累計</font> :<label id="monthSale"></label>箱       <font face="黑體" size="4"> 年累計</font>:<label id="yearSale"></label>箱<br/>                                     同比:<label id="monthSaleZj"></label> <label id="monthSaleZf"></label>%                  同比:<label id="yearSaleZj"></label> <label id="yearSaleZf"></label>%                </p>