30秒学会 JavaScript 片段 – median
Returns the median of an array of numbers. Find the middle of the array, use Array.prototype.sort() ...
Returns the median of an array of numbers. Find the middle of the array, use Array.prototype.sort() ...
Returns true if the a value is an empty object, collection, has no enumerable properties or is any t...
Returns an object with the unique values of an array as keys and their frequencies as the values. Us...
Returns true if the bottom of the page is visible, false otherwise. Use scrollY, scrollHeight and cl...
Counts the occurrences of a value in an array. Use Array.prototype.reduce() to increment a counter e...
Removes non-printable ASCII characters. Use a regular expression to remove non-printable ASCII chara...
Serialize a cookie name-value pair into a Set-Cookie header string. Use template literals and encode...
Performs a deep comparison between two values to determine if they are equivalent. Check if the two ...
Creates a throttled function that only invokes the provided function at most once per every wait mil...
Converts a value to a safe integer. Use Math.max() and Math.min() to find the closest safe value. Us...