coens TISTORY

var su=false; document.write(!su+" "); su=1; document.write(~su+" "); // 000 0001 => 1111 1110=>-2 su=10; document.write(++su+" "); document.write(--su+" "); a_1=10; b_1=++a_1; document.write("a_1="+a_1+", b_1="+b_1+" "); a_2=10; b_2=a_2++; document.write("a_2="+a_2+", b_2="+b_2+" ");