CODEWITHSUNDEEP
javascriptoopprototype
nik
nik

Reputation: 303

Define properties with Object.defineProperties

Please, help to understand why is the line obj['prop'] = 'zzz'; doesn't work and even shows error when "use strict"; is on and works fine when Object.defineProperty(obj, 'prop', {value:'zzz'}); is used? (While delete works absolutely fine)

       //"use strict";

        var obj = Object.defineProperties({}, {
            prop: {
                value: 'aaa',
                writeable: true,
                enumerable: true,
                configurable: true
            }
        });

        console.log(obj.prop);
        obj['prop'] = 'zzz';
        //Object.defineProperty(obj, 'prop', {value:'zzz'});
        console.log(obj.prop);
        //delete obj.prop;
        //console.log(obj.prop);

Upvotes: 0

Views: 32

Answers (1)

Daniel A. White
Daniel A. White

Reputation: 190907

Its writable, not writeable (notice no e in the middle).

See MDN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperties#Parameters

Upvotes: 2

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