console.log(~-11); //10 console.log(~-1); //0 console.log(~0); //-1
<a href="javascript:void(0)">单击此处什么也不会发生</a> <a href="javascript:void(alert(‘Warning!!!‘))">点我!</a> function getValue(){ var a,b,c; a = void ( b = 5, c = 7 ); document.write(‘a = ‘ + a + ‘ b = ‘ + b +‘ c = ‘ + c ); } //a = undefined b = 5 c = 7
原文:https://www.cnblogs.com/qq254980080/p/9787187.html