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This article will explain in detail how to use "=" and "= =" in js. The editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.

= = and = =

What is the printed result of this code? The result is a = = c, which I can't believe. The difference between = = and = is that = = checks that the value is equal, while = = checks that the value and type are equal. But that's not accurate. The correct statement is that = = checks the equality of values when type conversions are allowed, and = = checks the equality of values if type conversions are not allowed; therefore, = = is often referred to as "strict equality".

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