30秒学会 JavaScript 片段 – Truth check all values in a JavaScript array
As mentioned in a previous article, JavaScript uses type coercion in Boolean contexts, such as condi...
As mentioned in a previous article, JavaScript uses type coercion in Boolean contexts, such as condi...
Boolean logic and logical operations might not come up that often in JavaScript development, but whe...
Returns true if both functions return true for a given set of arguments, false otherwise. Use the lo...
Returns true if both arguments are true, false otherwise. Use the logical and (&&) operator ...
Checks if the predicate (second argument) is truthy on all elements of a collection (first argument)...
Returns the logical inverse of the given value. Use the logical not (!) operator to return the inver...
Returns true if at least one function returns true for a given set of arguments, false otherwise. Us...
Returns a function that is the logical complement of the given function, fn. Use the logical not (!)...
Returns true if at least one of the arguments is true, false otherwise. Use the logical or (||) oper...