All Questions
Tagged with programming-practices javascript
42 questions
43
votes
6
answers
14k
views
Should I place functions that are only used in one other function, within that function?
Specifically, I'm writing in JavaScript.
Let's say my primary function is Function A. If Function A makes several calls to Function B, but Function B is not used anywhere else, then should I just ...
- 533
42
votes
9
answers
7k
views
Is a JS Boolean having custom properties a bad practice?
In JS you can return a Boolean having custom properties. Eg. when Modernizr tests for video support it returns true or false but the returned Boolean (Bool is first class object in JS) has properties ...
- 551
42
votes
5
answers
5k
views
How to avoid typical "dynamic language mistakes"?
I've recently poured a couple of hours into JavaScript because I wanted to benefit from the massive userbase. Doing that I have noticed a pattern that most people attribute to dynamic languages. You ...
- 531
34
votes
1
answer
39k
views
I know JavaScript really well, but i bomb coding interviews [closed]
So I'm currently on a hunt for a new position as a Front-End Developer. I know JavaScript very well and can wax poetically about Closures, Currying, Prototypal Inheritance, Design Patterns, App ...
- 473
33
votes
5
answers
7k
views
Why do we need enums in dynamically typed languages?
I was reading some code here and saw that an enum is used to store names of html tags. Why do we ever need to do this? What benefit do I get using this strategy?
I know that how useful enums are in ...
- 2,186
32
votes
5
answers
2k
views
Why do code-bases in n-tier development have an equal amount of, if not more, JavaScript code now?
I've been doing web programming for a long time now, and somewhere, I lost track of why we are doing what we are doing today (or how did we come to do things this way)?
I started out with basic ASP ...
- 539
17
votes
4
answers
7k
views
Why does Facebook obfuscate the names of CSS classes?
If you look at the source code of a website such as Facebook, you'll see many classes as such:
<div class="_cy6 _2s24"><div class="_4kny"><div class="uiToggle _8-a _1kj2 _4d1i _-57 _5-...
- 335
11
votes
1
answer
5k
views
Is it bad practice to require the same module in multiple files in Javascript?
Let’s say I have three files, all of which import a fairly large module. But I’ve divided them because they have different functions. Now each of the JavaScript files needs an initial statement like
...
- 121
9
votes
2
answers
11k
views
Is it good practice to use array.pop() assignment in a while loop condition?
Just saw a code snippet that used an array pop assignment in the while condition; was wondering if this is acceptable/good practice?
var arr = [0,1,2,3,4,5];
var current;
while (current = arr.pop())
{...
- 103
7
votes
3
answers
13k
views
Why is it a good practice to keep Javascript code in separate files?
In web development we are commonly used to keep Javascript code in separate files, but sometimes we need this Javascript code to manipulate server side data locally.
For example, making an Ajax Call ...
- 233
7
votes
2
answers
11k
views
How to structure a modern web application
Background
I recently developed, for two different projects, two web applications.
The two followed quite different approaches. The first one was a classic inventory application (lists of stuff to ...
- 698
5
votes
3
answers
972
views
Weighing pros and cons for using jQuery for just one widget
I have been using html select boxes or textboxes for date input. On submit, the date is validated and if invalid an error is returned. I have avoided javascript calendars thus far, but jQuery ...
- 697
5
votes
1
answer
4k
views
Approaches to reduce cyclomatic complexity
I was running our code through JSHint, and decided to switch checks against cyclomatic complexity, and then went on long refactoring sprint. One place though baffled me, here is a code snippet:
var ...
- 523
5
votes
3
answers
503
views
Functions that contain single statement?
Is it OK to have functions that have single statements?
I usually make functions that have single statements. I believe these increases code readability and i am able to write code faster as they ...
- 159
4
votes
1
answer
752
views
How dangerous is it to take shortcuts when coding Web based applications? [closed]
I started working as a Web developer few months back. Previously, I had no prior professional experience in programming besides school classes and fun-side projects I did on my own.
I am the only ...
- 239