Javascript is very flexible with regards to checking for “null” values. I’m guessing you’re actually looking for empty strings, in which case this simpler code will work: Which will check for empty strings (“”), null, undefined, false and the numbers 0 and NaN Please note that if you are specifically checking for numbers it is a common mistake to miss 0 with this method, … Read more
Assuming ASCII strings: As of Python 3.3, casefold() is a better alternative: If you want a more comprehensive solution that handles more complex unicode comparisons, see other answers.
You can use the localeCompare() method.
It’s easy enough to write your own comparison function: Or inline (c/o Marco Demaio):
cmp arg2, arg1 performs the same operation as sub arg2, arg1 except that none of the operands are modified. The difference is not stored anywhere. However, the flags register is updated and can be used in a conditional jump, like jump-if-equal (JE), most often as the next instruction after the cmp. The advantage over other … Read more