What's the big O for JavaScript's array access when used as a hash?  For example,  var x= []; for(var i=0; i<100000; i++){    x[i.toString()+'a'] = 123; // using string to illustrate x[alpha] } alert(x['9999a']); // linear...
In learning how to implement a robust hash table, I am wondering the algorithm v8 uses to create the hash from a key, and what they use as the key (for string keys). Most of the examples on hash table key generation are hello world examples and subje...
Are there any noticeable benefits of using Object over ES6's Map()? I like using it for the forEach function. Is it a bad practice to opt for Map() when needing hash tables?...
I've an array that is being used to store the conversion factors for a conversion program I'm currently working on.  A short Example:  var Length = { "lengthsA" : {     "inch" : 0.0254,     "yard" : 0.9144,     "mi...
I'm working on creating a Hash Table in Javascript to better understand the data structure. I implemented it with a Linked List at each table position to deal with conflicts.   The problem is that I cannot call .add on this.storage[index], as it...
I am translating a Javascript function to Java, and I am having troubles with this text variable below, how to declare and use it in Java:  Javascript:  var text={}; // Index will be several arrays, and value an integer var word; // Will contain seve...
I apologize if this is too vague, But I want to search each JSON object by a unique value and then spit out another value. I have been told it would be a good idea to create a Hash Table for this issue, but I do not know how to go about this. For exa...
I am trying to find the five largest numbers at set intervals, while also Removing those values from the array. I need to grab the top candidates in their respective range. That range can change and the number that I need to query can also change. Is...
I'm trying to add markers to a google maps by iterating through a list and retrieving some information. I'm using the prototype library. The code is the following:      var point = new Array();     var myMarkerOptions = new Array();     var m...
I’m new to data structure and I’m learning it in Javascript.  My Question is: Why do we need hash tables when we 've objects in javascript? Can anybody give me a situation where hash tables will be more useful than objects?...

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