Javascript で bit 演算
funtcion bitTst(x,y){ return(0!=(x & 1<<y)) }; function bitOn(x,y){ return(x | 1<<y) }; function bitOff(x,y){ return(x & ~(1<<y)) }; function bitNot(x,y){ _m=1<<y; return(x & _m ? x & ~_m : x | _m ) };
funtcion bitTst(x,y){ return(0!=(x & 1<<y)) }; function bitOn(x,y){ return(x | 1<<y) }; function bitOff(x,y){ return(x & ~(1<<y)) }; function bitNot(x,y){ _m=1<<y; return(x & _m ? x & ~_m : x | _m ) };