30秒学会 JavaScript 片段 – isContainedIn
Returns true if the elements of the first array are contained in the second one regardless of order,...
Returns true if the elements of the first array are contained in the second one regardless of order,...
Returns the average of a list, after mapping each element to a value using the provided function. Us...
Returns the least common multiple of a list of numbers. Use functools.reduce(), math.gcd() and lcm(x...
Filters out the unique values in a list. Use a collections.Counter to get the count of each value in...
Returns true if the provided predicate function returns true for all elements in a collection, false...
Returns tomorrow’s DateTime value. Use DateTime.Now to get the current date, then use DateTime...
Converts an asynchronous function to return a promise. In Node 8+, you can use util.promisify Use cu...
Returns the minimum value of an array, after mapping each element to a value using the provided func...
Replaces all but the last num of characters with the specified mask character. Use String.prototype....
Joins all elements of an array into a string and returns this string. Uses a separator and an end se...