javascript 부동소수점 예제

var a = 0.6+0.3;
 alert(a);

 

0.8999999999 가 뜬다..

 

다른 예제

var a = (0.6+0.3)*10; //9

 

var a = (0.6+0.3)*100; //89.99999999998

 

var a = (0.06+0.03)*100; //9

 

 

var a = (0.06+0.03)*100; //9

 

var a = (0.03+0.06)*10; //0.8999999999

 

 

흠.. 심오하군..