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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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