[5/3/2016 4:18 PM] Calos Chen: function a(b,e){var a=0;a+=b;if(e){console.log(b+e);return;} return function(c){a+=c;console.log(a)}} output: a(2,3) 5 a(2,3) 5两种写法结果一样 a(2,3)和a(2)(3)