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...
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 define a object as follows:    var obj = {}; var name = "nonenumerable"; var value = "hello world";  Object.defineProperty(obj, name, {value: value,   writable : true,   enumerable : false,   configurable : true });  console.log(obj...
The array  const users = dedup([ { id: 1, email: '[email protected]' }, { id: 2, email: '[email protected]' }, { id: 1, email: '[email protected]' }, ]);  /* would ideally like it to  return   Object {  email: "[email protected]&#...
I need an hash table in Javascript, i.e. to implement an associative array which maps keys (strings) to values (in my case, these are several integer arrays). I realized that this kind of approach is not commonly used, or at least I haven't found...
I am trying to get SCORM 1.2 working with our Unity 5 WebGL project.  I thought I would introduce the SCORM code gradually; Here's the code I'd like to 'translate' so it works in Unity:    var vault = {};                             /...

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