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Wow, look at all those functions! Google places api issue. In this quick guide, I'll talk about the difference between a NodeList and an array, to understand how they work under the hood.. A NodeList may look like an array, but in reality, they both are two completely different things. var array3 = array1 === array2 That will compare whether array1 and array2 are the same array object in memory, which is not what you want. The primary diagonal is: 11 5-12. Today, we’re going to look at a much more robust way to compare two arrays (or objects) and check if they’re equal to each other. Difference between Arrays & Objects in JavaScript. The JavaScript Array class is a global object that is used in the construction of arrays; which are high-level, list-like objects. 11:30. But still we should be aware of the difference. 1. {} is declaring an object. Create a view and should not allow any data manipulation language operations. 912. Sum across the primary diagonal: 11 + 5–12 = 4. 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