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New JS Question
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tsbugbee
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Apr 5, 2020
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== is used to check for relative equality, whereas === is used to check for strict equality. | ||
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In other words, the string '2' will evalutae to true when compared to the integer data type for 2 for equality. | ||
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=== will check to see if the contents AND data type are the same, so since a string and an integer aren't the same, it would | ||
evaluate to false. | ||
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TLDR: | ||
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'2' == 2 will evaluate to True, since the contents are the same | ||
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'2' === 2 will evaluate to False, since the data types are different. |
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04 - JS/what-is-the-difference-bewteen-while-and-do-while-loops-in-javascript.md
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A while loop will only begin to execute if the conditional statement in the while statement is true. | ||
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A do while loop will always execute its contents at least once, regardless of whether the conditional statement is true. | ||
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In other words, a while loop checks the conditional statement at the beginning of the loop, while a do while loop will check the statement at the end. |