摘要：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 |... 阅读全文

摘要：Hash,in wikipedia, may relevant to many stuffs. In javascript, hashis a group of name/value pairs where a unique name points to a unique value, and... 阅读全文

摘要：Syntax: event.clientXThe clientX event attribute returns the horizontal coordinate (according to the client area) of the mouse pointer when an event ... 阅读全文

摘要：http://www.w3schools.com/js/js_comparisons.asp 阅读全文