Author: Kavit

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push vs concat vs spread

push, concat and spread all of them are object/array manipulation methods. push – mutates the original data var a = [1, 2, 3]; a.push(9); // returns 4 console.log (a); // [1, 2, 3, 9]...

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Cannot stub non-existent own property

The potential problem could be that sinon does not mock objects with dynamically-created methods through Object.prototype. To mitigate such problem, you can try the following : var sinon = require(‘sinon’); var sandbox = sinon.sandbox.create();...