Hash - a javascript dictionary object.

　　Hash,in wikipedia, may relevant to many stuffs.

　　In javascript, hash is a group of name/value pairs where a unique name points to a unique value, and are included within a brace.

　　

var hash = {
             vari01 : "OK",
             vari02 : "KO"
        };
        console.log("Out put key/value:");
        for(i in hash){
            console.log(hash[i]);
        }
    
Out put key/value:
OK
KO