30秒学会 JavaScript 片段 – extendHex
Extends a 3-digit color code to a 6-digit color code. Use Array.prototype.map(), String.prototype.sp...
Extends a 3-digit color code to a 6-digit color code. Use Array.prototype.map(), String.prototype.sp...
Filters out all values from an array for which the comparator function does not return true. Use Arr...
Initializes an array containing the numbers in the specified range (in reverse) where start and end ...
Detects whether the website is being opened in a mobile device or a desktop/laptop. Use a regular ex...
Returns the target value in a nested JSON object, based on the keys array. Compare the keys you want...
Adds a fading gradient to an overflowing element to better indicate there is more content to be scro...
Returns a list of elements that exist in both lists. Create a set from a and b, then use the built-i...
Returns the number of times a function executed per second. hz is the unit for hertz, the unit of fr...
Returns true if no elements in the collection pass the test implemented by the provided function, fa...
Variables that can be reused for transition-timing-function properties, more powerful than the built...