var test1= "1234.5678"; var number=Number(test1);//new Number(1234.5678); number.toFixed(2);//1234.56
//需要引用 jQuery Number Format 插件
var test2=$.Number(1234.5678,2);//1234.56 var test3=$.Number(1234.5678); //1234
var test1= "1234.5678"; var number=Number(test1);//new Number(1234.5678); number.toFixed(2);//1234.56
//需要引用 jQuery Number Format 插件
var test2=$.Number(1234.5678,2);//1234.56 var test3=$.Number(1234.5678); //1234