JavaScript Comparison and Logical Operators

Ref:http://www.w3schools.com/js/js_comparisons.asp

 1 var r = 1;
 2 var result = r || 2;
 3 console.log(result);
 4 //output: 1
 5 
 6 r = 0;
 7 result = r || 2;
 8 console.log(result);
 9 //output: 2
10 
11 r = 0;
12 result = r || "string";
13 console.log(result);
14 //output: string

 

posted @ 2014-01-08 00:40  wonkju  阅读(139)  评论(0)  编辑  收藏  举报