JavaScript - get element from object by index

You can use Object.keys() method to get array of the object's keys and then using array notation ([]) you can access them by index like:

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myObject[Object.keys(myObject)[0]];

Practical example

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var myObject = {

    a: ['aaa'],

    b: ['bbb', 'bb', 'b'],

};

​

var aValues = myObject[Object.keys(myObject)[0]];

var bValues = myObject[Object.keys(myObject)[1]];

​

console.log(aValues); // [ 'aaa' ]

console.log(bValues); // [ 'bbb', 'bb', 'b' ]

Note:

Because you have arrays under a and b key, the aValues and bValues will also be arrays. Going further, you may access individual elements like:

Copy

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1

bValues[0]; // 'bbb'

2

bValues[1]; // 'bb'

3

bValues[2]; // 'b'

References

1. Object.keys() - JavaScript | MDN