_.filter Browser Support for Array.prototype.filter() _.filter Creates a new array with all elements that pass the test implemented by the provided function. // Underscore/Lo...
_.flatten Browser Support for Array.prototype.reduce() Browser Support for Array.prototype.flat() _.flatten Flattens array a single level deep. // Underscore/Lodash _ . fla...
_.prototype.reverse() Since Returns Example _.prototype.reverse() source This method is the wrapper version of _.reverse .Note: This method mutates the wrapped array. ...
_.reduce Browser Support for Array.prototype.reduce() _.reduce Applies a function against an accumulator and each value of the array (from left-to-right) to reduce it to a sin...
Functional Programming Omit needless names Separate mutation from calculation. Pure Functions Separate Functions from Rules Arity Currying Function to curry Curry example Ea...