Tagged Questions
ECMAScript (commonly referred to as JavaScript) is primarily used for scripting web-pages but also has several embedded forms and stand-alone interpreters / JIT engines. Use this tag for questions regarding ECMAScript 5 and its dialects / implementations: JavaScript, JScript, etc., excluding ...
3
votes
1answer
17 views
Varying a second drop-down's options based on a first selection
I have some javascript code that allows users to select a plan which triggers the second select box to populate with options. The code works, however, it seems to be very inefficient. Any advice on ...
3
votes
0answers
24 views
Tooltip plugin for portfolio website
I am writing my own tooltip plugin for my portfolio website that I am currently working on. So far I have this code below. It works rather well however I feel that there is a lot I could improve. ...
0
votes
0answers
13 views
Codility training: Find the maximal number of clocks with hands that look identical when rotated [on hold]
Here's the link to the problem:
https://codility.com/demo/take-sample-test/clocks
The problem is that I can't get 100 points (only 42) out of it. Running time is OK, but for some test cases the code ...
3
votes
1answer
85 views
Retrieve and load playlists from YouTube
I have this code I am using in a private project. The following is a snippet of code I use to retrieve and load playlists from YouTube:
for (feedEntry in a.feed.entry) {
if ...
1
vote
1answer
30 views
Saving the result of an array.protoype.foreEach() into a variable getting undefined [on hold]
How do I get newData to equal the object array that is produced by the forEach()? It works if I define var result = [] globally and console.log(result);
var paragraphs = ["this is a p", "%%this is an ...
4
votes
2answers
26 views
What is the best way to refactor out “temporal dependence” of instance methods?
For example, suppose in a view class we need to instantiate some UI components and then populate the fields. Something like:
var View = function() {
this._initUI();
this._populateFields();
};
...
4
votes
2answers
22 views
jQuery wrapper of Parsley.js
In a project, I have a lot of HTML forms without validation and I want to add a front end validation, in a quick way. I start looking for a library and I met Parsley.js. It's a good library, but if I ...
8
votes
2answers
78 views
Can this secure, random generator be improved?
This random generator uses cryptographically secure numbers/chars instead of Math.random(). The Javascript code with jQuery works well but I affect clean code ;) It would be great if you could help me ...
5
votes
1answer
49 views
What are your opinions on these small scripts?
I am new to JavaScript, and I was wondering if anyone can share their opinions on what I have done below:
First of all, the following functions are all placed in a file called main.js and that file ...
0
votes
0answers
11 views
Approximating Date for a D3.js timeline + General Style comments
I've updated code from a couple weeks back so I've come back to get more feedback. The original post can be found over here.
Here is the updated code:
/*
* @Author: Gowiem
* @Date: 2013-12-17 ...
5
votes
3answers
68 views
Is there anything can be improved in this JavaScript module?
I am using RequireJS JavaScript library. I have the following JavaScript module define for dataservice:
define(['jquery'], function ($) {
var callApi = function (url, type, dataType, data, ...
5
votes
1answer
131 views
Is there a shorter way to write this jQuery code?
I'm using two category filters from this demo. I give the filters two different sets of classes so they won't affect each other. Since I'm very new to jQuery, all I can come up with is repeating the ...
1
vote
0answers
24 views
Mixing an “app controller” and ng-view [on hold]
Is there anything wrong with doing something like this in Angular?
<body ng-controller="appCtrl">
<div ng-show="!loggedIn">
<form ng-submit="login()">...</form>
...
5
votes
1answer
58 views
Creating a Deprecated/Obsolete behavior for methods in a JavaScript library
A friend of mine has a popular open source JavaScript library which is quite well used in the community. He is now going through a process of refactoring and applying best practices and conventions ...
4
votes
1answer
30 views
Angular Modular File Structure
My intention is to separate components on a file basis. For example, I want a specific controller to have it's own file (Same goes with services, filters and directives). Of course, files will be ...
4
votes
1answer
19 views
toggleSaveStream button template
I've got a view which has a corresponding template. The template looks something like like:
<div id="streamItems" class="left-list droppable-list"></div>
<div ...
4
votes
1answer
86 views
Validating HTML Form
I am trying to create a simple validation for forms. I am almost there, but there are few bugs and optimization errors that I am really struggling with. I'm looking for advice on how to make this ...
0
votes
0answers
6 views
Create custom JSON object using jQuery [migrated]
I want to create a custom multilevel JSON object. For that I have written some code, but it's not solving my purpose, although I am still working on it.
I need your suggestions to write the code.
...
0
votes
0answers
14 views
Angular Select Population [closed]
This is a xpost from stack exchange. This seems to be a better place for the question.
Basically I am trying to add rows to a table via buttons. Once the row is added, if the button is pressed again ...
3
votes
1answer
58 views
Knockout custom binding - have I stored the observable correctly?
I've written a custom binding for Knockoutjs which renders <select> elements with <optgroup> children.
When run, this binding adds <optgroup> and <option> DOM elements.
In ...
9
votes
3answers
94 views
Displaying random quotes from an array
Is there anything that I could have done better in this code?
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Quotes</title>
<style>
body { ...
1
vote
1answer
41 views
Which iMacros script is faster?
test1.js
var macro;
macro ="CODE:";
macro +="URL GOTO=http://tppcrpg.net/map.php?Map=11\n";
macro +="TAG POS=1 TYPE=INPUT:IMAGE FORM=ACTION:/map.php?Map=11 ATTR=NAME:Find";
iimPlay(macro);
...
16
votes
1answer
268 views
+50
Random clothes generator
UPDATED, original code can be found here.
Also, my main goal is to not only improve the style of my coding, but also to improve the logic in finding random combinations. As of now it seems way too ...
8
votes
2answers
192 views
Create news ticker animation
I have this function in this fiddle
JavaScript:
var newsTicker = function (ele) {
var eles = ele.find('ul li'),
indexEle = 0,
dataEle = ele.find('.ticker-post'),
...
8
votes
2answers
66 views
Member list reveals member information on click (#1)
What I'm doing?
I'm creating a member-list where initially only the names are visible. Clicking the names reveals the member information. This is done with jQuery by adding/removing classes.
I left ...
2
votes
2answers
32 views
Simple registration form with Backbone
I am trying to create simple registration form with Backbone. I need to validate fields on blur, and whole form on submit.
HTML:
<form>
<div><input name="name" type="text" ...
10
votes
3answers
136 views
MS Excel type of grid in jQuery
I have created a MS Excel type of grid in jQuery. I want to learn best practices and I need your comments for more optimized code.
Please review the code and offer your suggestions.
Demo
jQuery:
...
3
votes
1answer
42 views
Checking for a value on selectors
I've got some pretty simple validation that I'm working on, but it seems like I'm repeating myself a bunch of times. There has to be a better way of doing this. I'm simply checking if there is a value ...
3
votes
2answers
112 views
Simplifying this form validation script - version 2
A week ago, I have asked how to simplify a form validation. From the answers, the code now is improved. Can anyone please share their opinion on the approach used below and advise me if there is a ...
6
votes
1answer
227 views
Angular JS Switcharoo multiple select module
I have created a script for going a multiple select option in Angular without using a select box that you have to hold control in order to select multiple items.
Demo: ...
10
votes
3answers
140 views
Ultimate Tic-Tac-Toe Challenge
This is my attempt at the Ultimate Tic-Tac-Toe code challenge.
It uses jQuery to build out the game grid and find the states of all the "buttons" (actually <div>s) when calculating whether or ...
5
votes
1answer
33 views
Project Euler #41 - pandigital prime
I've written a solution to Euler 41:
We shall say that an n-digit number is pandigital if it makes use of
all the digits 1 to n exactly once. For example, 2143 is a 4-digit
pandigital and is ...
3
votes
2answers
48 views
Append table cells to select boxes in indexed order
I am having a huge brain fart with efficiency right now.
The idea here is if I have a static table (unfortunately formatted this way with the data I've received), how would I appropriately append a ...
2
votes
1answer
48 views
Angularjs Module Registration Structure
I'm using meteor and angular. Since I can't add modules after the angular bootstrap, I made a workaround and somewhat not satisfied with the way it was coded.
How can I improve this?:
(function() {
...
2
votes
1answer
271 views
Approximating/Sorting groups of dates into buckets + general JS patterns/style
Update: I've updated the code below pretty extensively and posted a new question over here.
I'm working on a directed study project with a professor of mine helping him build out a Django based ...
8
votes
2answers
136 views
Rotating array members
I had a situation when I needed to move all array elements in circular fashion. When I say this, I mean:
0 1 2 3
1 2 3 0
2 3 0 1
3 0 1 2
So the array:
var players = ...
2
votes
1answer
47 views
Dice notation roller in JavaScript
I have the following function, intended to take standard dice notation (XdY+Z) and return a (sort of) random number based on the input. Are there any bugs/bad ideas/optimizable sections I am missing?
...
3
votes
1answer
62 views
Script for generating a report in Google-Spreadsheets. Looks for various values to check and count
It all works exactly as it should. It finds data from today, finds unique emails and puts them in an array. I then check the data again from today, against the emails to total up different values. ...
3
votes
1answer
58 views
Better way to handle a sign up wizard in AngularJS?
I think my current structure is way too repetitive, I feel like I must be missing something that would easily make this sign up wizard work far better. First post on code review, I tried to follow the ...
3
votes
0answers
26 views
knockout binding handler for custom components
I am using a combination of knockoutJS and jQuery. I have a number of jQuery plugins which perform particular re-usable functions, such as a numeric spinbox.
I have written a binding handler to ...
6
votes
2answers
81 views
Simplifying this form validation script
Can anyone please help me to simplify this form validation script? It works great but I was just wondering if I can get some help to make it simpler. Your opinion on the approach I used below is ...
20
votes
5answers
1k views
Verifying password strength using JavaScript
I have a function which verifies the Password field and suggests the user to enter a strong password. I also have a label named Password Strength, referring to the strength of a password (very weak, ...
2
votes
2answers
38 views
How to sort two array of objects using Underscore.js?
I am sorting 2 arrays of object like this, but I know this is very bad. Any good approach, like using each method like so? ( I tried, but using each, I am unable to return the object )
var O1 = ...
1
vote
2answers
52 views
Reducing cyclomatic complexity in a simple string concatenation
I have written the following function that takes an address object and builds a string using the object properties. It will later be used to display a tooltip
var getAddressTooltip = function ...
1
vote
1answer
74 views
Basic quiz in jQuery
I am using jQuery to implement a basic quiz functionality. How can I improve this code snippet even more? Is there any better way of doing it?
I am using jQuery 1.6.4.
/*jshint -W065 */
$(function ...
1
vote
1answer
17 views
Is it bad practice to mix in chrome.i18n (internationalization method) into templates?
I'm mixing chrome.i18n into my templates as templateHelpers with Backbone.Marionette.
templateHelpers: function () {
return {
// Mix in chrome to reference internationalize.
...
6
votes
3answers
267 views
Monopoly: Positions
I want to know if this can be trimmed down further. I am repeating myself with this.title and this.position. Also this.position is the corresponding array index, not sure if that is a good idea, if ...
9
votes
2answers
204 views
Matching script tags with regexes
Like anything that shouldn't be done, I decided to see if it is possible to match <script> tags robustly using regexes in PHP. Since there is no arbitrary nesting, I figured it should at least ...
4
votes
1answer
119 views
Check if js variable exists and checking it's value
I feel like this bit of code could be condensed or made better in some way. It may in fact not be but
figured I'd get some people smarter then me to have a look. I have multiple pages on my site and ...
7
votes
2answers
108 views
Modular design with Require.js
I am trying to get a better understanding of the modular design pattern and I am using Requirejs to manage my dependencies.
I understand separating code into modules (using define with RequireJS) so ...
