
Ways to create a Set in JavaScript? - Stack Overflow
Dec 3, 2011 · In Eloquent JavaScript, Chapter 4, a set of values is created by creating an object and storing the values as property names, assigning arbitrary values (e.g. true) as property values. To …
javascript - Iterate over set elements - Stack Overflow
May 6, 2013 · I have turned on the Chrome flag for experimental ECMAscript 6 features, one of which is Set. As I understand, the details of Set are broadly agreed upon by the spec writers. I create a set a …
Set of objects in javascript - Stack Overflow
May 31, 2017 · I'd like to have a set of objects in Javascript. That is, a data structure that contains only unique objects. Normally using properties is recommended, e.g. myset["key"] = true. However, I need ...
How does [...new set (array)] work in JavaScript? - Stack Overflow
See here for information on Set s. Essentially a Set is a collection of unique values - ie it can't contain duplicates. So new Set(ages) is a Set containing all the values in ages, which duplicates necessarily …
How to map/reduce/filter a Set in JavaScript? - Stack Overflow
Oct 20, 2015 · The cause of the lack of map / reduce / filter on Map / Set collections seem to be mainly conceptual concerns. Should each collection type in Javascript actually specify its own iterative …
Set cookie and get cookie with JavaScript - Stack Overflow
Set cookie and get cookie with JavaScript [duplicate] Asked 13 years, 1 month ago Modified 7 months ago Viewed 1.8m times
Why does Javascript Set not do unique objects? - Stack Overflow
Dec 31, 2016 · Well, Javascript Set don't store unique object because every object will have their own references. Thus, Set will store the unique values only so it treats even two or more object have the …
javascript - How can I sort an ES6 `Set`? - Stack Overflow
Oct 12, 2015 · A set is not an ordered abstract data structure. A Set however always has the same iteration order - element insertion order [1], so when you iterate it (by an iterating method, by calling …
Get all unique values in a JavaScript array (remove duplicates)
4732 With JavaScript 1.6 / ECMAScript 5 you can use the native filter method of an Array in the following way to get an array with unique values:
How to customize object equality for JavaScript Set
Apr 21, 2015 · This original question asked for customizability of a Set comparison in order to support deep object comparison. This doesn't propose customizability of the Set comparison, but it directly …