Tagged Questions
2
votes
2answers
71 views
Which for loop is more efficient in javascript? [closed]
Which one is more efficient?
// < 11
for(var i = 0; i < 11; i++){ ... }
or
// <= 10
for(var i = 0; i <= 10; i++){ ... }
I don't know exactly how the for function works but I'm ...
0
votes
0answers
39 views
store data & metadata in DOM or JS object ? which is performant?
I've a form with elements, I need to create a fieldset/sub forms with more elements for each of the main form element, dynamically based on a dropdown value. I need to take care of showing / hiding ...
0
votes
1answer
53 views
Which is the Most Efficient Way to Run a Function on a Link Click
I have so many links in my webpage. About 25 links with an id="reply_x". About 20 links with id="quote_x" and some links with id="like_x". I have written different functions using JQuery for different ...
0
votes
1answer
19 views
Cachin jquery objects simple code
I'm trying to implement caching and reduced DOM manipulation into my very complex JS code. I just want to make sure, what's more efficient?
1)
var $thebox = $(".textbox[data-title*='"+dt+"']");
...
0
votes
2answers
34 views
speed up DOM access while using $element.each()
I'm trying to make some serious delay cuts in my hefty javascript UI application.
I've been reading up ways to optimize code, and from a few things that I've learnt, I understand that:
...
0
votes
0answers
69 views
Improving speed and data efficiency with javascript calculator.
I'm building a javascript calculator (with jquery mobile) for simplifying routine calculations in microscopy. I'm looking to create more efficient code and would love any input... I don't expect ...
1
vote
3answers
32 views
How can I combine two similiar javascript functions?
Is there a way to combine the following two instructions into more efficient code?
$('.sandwiches').mouseleave(function () {
$('.sandwiches').hide();
});
$('.food').mouseleave(function () {
...
1
vote
3answers
91 views
How can I improve or reduce redundancy of this javascript? [closed]
I'm trying to concatenate a string from certain inputs in a form, and populate another input with that string. I've included my script below, and linked to a js fiddle.
I think the code inside the ...
2
votes
2answers
92 views
faster to use jquery or not to use jquery? [closed]
In desktop html5 applications I write I always use jquery although I'm writing mobile html5 applications and I'm wondering if I should use jquery at all.
First, I'm curious about selectors. I have ...
1
vote
1answer
63 views
Which javascript code is more efficient when you want to search for multiple HtmlObject with a specific value?
I try to find out which javascript code is more efficient, for example when I searching several JavaScript span.
this mode with jquery:
$('span[value='+value+']')
or this mode with standar ...
2
votes
2answers
40 views
which approach is better for implementing canvas in html5?
I want to know differences between the two following approaches from efficiency or any other point of views:(these codes are written using HTML5 Canvas)
first one has separate functions including ...
0
votes
4answers
101 views
Should I avoid creating this JavaScript closure?
This may be a bit abstract but I'm trying to get my head round JavaScript closures etc. Take the following code:
function MyObj() {
var me = this;
this.foo = function(bar) {
// Do ...
5
votes
4answers
169 views
Risk of constant traffic when updating graphics using JavaScript?
I'm using JavaScript to create a basic graphic clock display on an HTML page. I'm updating digit graphics (each digit updated only when necessary) using the standard DOM mechanism:
digitOne.src = ...
2
votes
3answers
136 views
JavaScript - What Level of Code Optimization can one expect?
So, I am fairly new to JavaScript coding, though not new to coding in general. When writing source code I generally have in mind the environment my code will run in (e.g. a virtual machine of some ...
5
votes
3answers
248 views
Long Loops in Node.js: Yielding Using Timers?
I'm using Node.js to loop through what could eventually be a pretty big array of posts.
If I were doing something similar using client side JavaScript, I would use timers as explained here so as not ...
