js || && detailed explanation

This time I will bring you a detailed explanation of js || &&. What are the precautions when using js || &&. The following is a practical case, let’s take a look.

|| or bit symbol

a || b

1. When a and b are both true, return a

2. When a and b are both false, return b

3. When a and b are one false and one true, return the value of true

&& and the bit symbol

a&&b

1. When a and b are both true, return b

2. When b is false, return a

3. When a, b When one false and one true, the value of return false

I believe you have mastered the method after reading these cases. For more exciting information, please pay attention to php Chinese website Other related articles!

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