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JavaScript for Beginners #16 – Mutability

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In this javascript for beginners tutorial I will cover the topic of mutability. Mutability refers to the ability for an object to be changed. To understand this we will discuss primitive data types vs reference data types. It is extremely important to understand so please watch the video carefully!

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6 thoughts on “JavaScript for Beginners #16 – Mutability

  1. this (…)is spread syntax. Obj.assign( [], arr) also is the way of making a copy of objects and arrays. But best is spread which is Es6 feature. There are spread and rest two syntaxes..which is best suitable for reference type[Objects and array].

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