Question

i am trying to get a value from a key stored on a string variable proyNombre, but whenever i call it via the common method “myAssociativeArray.MyKey”, it gets the variable ‘proyNombre’ as the key, instead of getting its value and passing it as a key.

proyectos.each(function(index){
    var proyNombre = this.value;

    if(!(proyNombre in myArray)){ // whenever the variable is undefined, define it
        myArray[proyNombre] = horas[index].value-0 + minutos[index].value/60;
    }
    else{
        console.log(myArray.proyNombre); //This doesnt work, it tries to give me the value for the key 'proyNombre' instead of looking for the proyNombre variable
        console.log(myArray.this.value); //doesnt work either
    }

});

Answer 1

Try:

console.log(myArray[proyNombre]);

myArray is actually an object in javascript. You can access object properties with object.propertyName or, object['propertyName']. If your variable proyNombre contained the name of a property (which it does) you can use the second form, like I did above. object.proyNombre is invalid – proyNombre is a variable. You can’t do for example:

var myObject = {};
myObject.test = 'test string';

var s = 'test';
console.log(myObject.s); // wrong!!

but you could then do:

console.log(myObject.test);
console.log(myObject['test']);
console.log(myObject[s]);