Javascript string equivalent on an object

Question

I have an object that I am trying to parse through and delete properties that are empty. I'm having issues with javascript not equating the statement correctly.

var filters = { prop1 : "", prop2 : "set", prop3 : "" };
var f;
for( f in filters) {
    if(filters[f] === "") {
         delete filters[f];
    }
}

Using google's debug console, I know that filters[f] have given me "" for prop1 and the statement of filters[f] === "" equates to true, yet it doesn't enter inside the if statement block.

Your variable declaration says filter but you refer to it as filters later on. — Pointy
– Pointy, Commented Mar 25, 2015 at 21:49
I fixed the typo, it was my mistake when typing the question on my part. — azndude956
– azndude956, Commented Mar 25, 2015 at 21:54

Alex Wayne · Accepted Answer · 2015-03-25 21:52:28Z

1

If you fix the typo in your variable name, it seems to work like you expect

var filters = { prop1 : "", prop2 : "set", prop3 : "" };
//        ^ added
var f;
for( f in filters) {
    if(filters[f] === "") {
         delete filters[f];
    }
}
console.log(filters); // Object {prop2: "set"}

answered Mar 25, 2015 at 21:52

Alex Wayne

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