Get Key by Value

by shriek

JavaScript

var m = { "1" : "hello", "2": "there" };

function getByValue(getObj, vals){
    for(var m in getObj){
        if(getObj.hasOwnProperty(m)){
            if(getObj[m] == vals){
                return vals;
            }
        }
    }
    return 100;
}

alert(getByValue(m,"there"));