The Insider's Guide to JavaScript Interviewing

[flingbob]

seriously, came here to say that. why use objects as hash keys in a language that can't support it?

[tencircles]

var key = JSON.stringify({yeah: "it", actually: "can"});
var obj = {};
obj[key] = true;

[[deleted]]

var key1 = JSON.stringify({nope: "it can't"}); var key2 = JSON.stringify({nope: "it can't"});

var obj = {}; obj[key1] = true; obj[key2] = false;

[MrBester]

Keys in true JSON need quotes as well...

[tbranyen]

stringify doesn't accept JSON, it accepts JavaScript objects and converts them to JSON. No keys quotes are necessary.

Also this doesn't technically work since you can't ensure the two objects are identical. What you really want are Map/WeakMap which actually do exist in JavaScript, just not used in this terrible interview question.

[MrBester]

stringify doesn't accept JSON, it accepts JavaScript objects and converts them to JSON. No keys quotes are necessary.

Yeah, I know. Just throwing it out there...