I'd like to start using ES6 Map instead of JS objects but I'm being held back because I can't figure out how to JSON.stringify() a Map. My keys are guaranteed to be strings and my values will always be listed. Do I really have to writ...
I just read this question: are there dictionaries in javascript like python? One of the answers said that you can use JavaScript objects like Python dictionaries. Is that true? What is the performance of a key lookup in an object? Is it O(1)? Is a...
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var a = new Map([[ 'a', 1 ]]); a.get('a') // 1 var forStorageSomewhere = JSON.stringify(a); // Store, in my case, in localStorage. // Later: var a = JSON.parse(forStorageSomewhere); a.get('a') // TypeError: undefined is no...
From post: Sending a JSON array to be received as a Dictionary<string,string> I’m trying to do this same thing as that post. The only issue is that I don’t know what the keys and the values are upfront. So I need to be able to dynamical...
Here is my dictionary: const dict = { "x" : 1, "y" : 6, "z" : 9, "a" : 5, "b" : 7, "c" : 11, "d" : 17, "t" : 3 }; I need a way to sort my dict dictionary from the leas...
To illustrate the problem, consider the following simple object function Key( val ) { this._val = val; } Now I create a ES6 Map instance and feed one entry into it like this var map = new Map(), key1 = new Key( 'key' ); map.set( ke...
Consider the following common JavaScript construct var ages = people.map(person => person.age); Giving the desired result, which is an array of ages. What is the equivalent of this in C#? Please include a simple example. The documentation indic...
So Ive got the following javascript which contains a key/value pair to map a nested path to a directory. function createPaths(aliases, propName, path) { aliases.set(propName, path); } map = new Map(); createPaths(map, 'paths.aliases.server...
I recently asked this question, but after some of the responses and some research, i wanted to change what i was actually asking. i have seen a number of blog posts about sending associative arrays from javascript to C# controller action but i want...
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