var h = 9;
alert(h + "=:" + (11 > h >= 8 ) + " =:" + (11 > h && h >= 8 ));
为什么(11 > h >= 8 )结果是:false, (11 > h && h >= 8 )结果是true
var h = 9;
alert(h + "=:" + (11 > h >= 8 ) + " =:" + (11 > h && h >= 8 ));
为什么(11 > h >= 8 )结果是:false, (11 > h && h >= 8 )结果是true
自左向右运算,11 > h的值为true,然后比较的是true >= 8,所以结果为false