jquery range utility for quick iteration (prototupe's $R equivalent)
- by clyfe
In prototype the cumbersome for:
for (i=0; i<10; i++) { ... }
can be written as
$R(0, 10).each(function(i){ ... });
Is there an equivalent of range in JQuery ?
Search Results
Search found 1405 results on 57 pages for 'prototype'.
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How to detect what Library is behind the $ function?
- by clops
I am developing some JavaScript that should work with either Prototype.js or JQuery, thus I need some way to identify what is the primary library in use. How can I do that?Read the article
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How to display an activity loader automatically with all ajax requests?
- by user257797
I am working on Ruby on Rails application, with Prototype. I want to display a loading div automatically with every ajax request and hide it on completion, without writing code for every ajax request in my application. Is there anyway to do this. <div id="loader">Loading...</div>Read the article
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Checking for attachments in JavaScript
- by Sanjay
Prior to submitting a form, I would like to check if a file has been attached and pop up a warning message saying that a file needs to be attached if it hasn't been. I was wondering how to accomplish this using JavaScript or Prototype or JQuery etc?Read the article
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Javascript Library Performance
- by Steve
Hi..I recently bumped into this link http://mootools.net/slickspeed/ I was amazed to see that the prototype is extremely slow. So I would like to know your comments on this?Read the article
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Inserting a Variable String into the javascript prototype expression
- by webzide
Dear experts, Pardon me for giving you a confusing title on this problem. I'm really confused and i don't know how to put it in other words. So here is what I what to accomplish. I am making a Custom Javascript Object to store data. I have automated this process and inserted each instance of the object into an array. I am making a loop…Read the article
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Javascript conversion, from Prototype to jQuery
- by moshimoshi
Hi, I would like to update the following javascript code based on Prototype framework to jQuery framework: Event.observe(window, 'load', function() { $$('.piece').each(function(item) { new Draggable(item, { revert: true } ); }); $$('.cell').each(function(item) { Droppables.add(item, { accept: 'piece', onDrop:…Read the article
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Rails: link_to_remote prototype helper with :with option
- by Syed Aslam
I am trying to grab the current value of a drop down list with Prototype and passing it along using :with like this <%= link_to_remote "today", :update => "choices", :url => { :action => "check_availability" } , :with => "'practitioner='+$F('practitioner')&'clinic='+$F('clinic')&'when=today'", …Read the article
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typedef a functions prototype
- by bitmask
I have a series of functions with the same prototype, say int func1(int a, int b) { // ... } int func2(int a, int b) { // ... } // ... Now, I want to simplify their definition and declaration. Of course I could use a macro like that: #define SP_FUNC(name) int name(int a, int b) But I'd like to keep it in C, so I tried…Read the article
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Event triggering inside prototype
- by shivesh
When I try to call "Test" function I get an error. How to fix that? (no jquery!) Browser:firefox error: TypeError: this.Test is not a function <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <title>Untitled Document</title> <script…Read the article
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Prototypejs .evalJSON not returning object
- by Pselus
I have this JSON (which validates according to JSONLint): [ { "BugCount":"2", "BugTitle":"C:\\INETPUB\\WWWROOT\\CLUBREADY2\\TRAINERS\\../Connections/LTC.asp", "ErrLine":"141", "BugID":"702" }, { "BugCount":"1", "BugTitle":"/admin/ajax_logagreementsig.asp", "ErrLine":"0", "BugID":"1322" }, ] …Read the article
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CSS selector for grouped iterations
- by snaken
Hi, I have a number of elements that i want to loop through as groups. Consider this HTML: <input class="matching match-1" /> <input class="matching match-1" /> <input class="matching match-2" /> <input class="matching match-2" /> <input class="matching match-2" /> <input class="matching…Read the article
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CSS selector for the last occurrence of a class on a page
- by snaken
Is there a CSS selector for the last occurrence of a class on a page? Say i have this HTML <dd> <span> <a class="required" id="forename">foo</a> </span> </dd> <dd> <span> <a class="required" id="surname">bar</a> </span>…Read the article
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Where are my $_FILES? Ajax Uploading
- by Richard Testani
I've built a form to upload images, and processed with Prototype/PHP. $('image_upload').observe('submit', function() { var params = $H(); params.set('name', $('image_title').value); params.set('from', $('from_who').value); params.set('upload_file', $('upload_file').value); new…Read the article
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Prototypes Object.extend with multiple objects that contain there own functions.
- by erickreutz
How would I achieve something along the lines of this.. var Persistence = new Lawnchair('name'); Object.extend(Lawnchair.prototype, { UserDefaults: { setup: function(callback) { // "save" is a native Lawnchair function that doesnt //work because …Read the article
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Can Ruby on Rails handle AJAX Response by Static Javascript code? by using RJS?
- by Jian Lin
So it looks like on RoR, when Ajax (using form_remote_tag) returns a success code, Javascript is also returned to handle the visual effects. (this is the RJS mechanism) using Fiddler, I do see the following response: try { Element.update("vote_score", "Score 58");…Read the article
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When should I observe javascript events on window vs. document vs. document.body?
- by brahn
I'm using prototype.js for my web app, and I have everything running on chrome, safari, and firefox. I am now working on IE8 compatibility. As I've been debugging in IE, I've noticed that there are javascript events for which I have previously set an observer on…Read the article
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Programmatically manipulating DOM element value doesn't fire onchange event
- by Johan Fredrik Varen
Hi all. I've got a hidden form field, and when a button gets pressed the value of the hidden field is changed. Now, I've added an observer to the hidden field, listening for changes to occur. For some reason, though, the event listener never kicks in, even though…Read the article
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Using HTTP status codes to reflect success/failure of Web service request?
- by jgarbers
I'm implementing a Web service that returns a JSON-encoded payload. If the service call fails -- say, due to invalid parameters -- a JSON-encoded error is returned. I'm unsure, however, what HTTP status code should be returned in that situation. On one hand,…Read the article
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AJAX calls from multiple browser tabs at the same time:
- by Bindi
When an user tries to send AJAX requests simultaneously from multiple browser tabs, the earlier requests get completed and the page loads but the other AJAX calls are preempted. AS a result of which the response is empty for the other calls. Only one call…Read the article
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Ajax / GroovyGrails Post data coming over with unexpected leading character. Who is encoding/decod
- by ?????
I'm having an encoding issue, and I'm not sure where to look for the problem. I have this Ajax.Request function (prototype library) sending data to a Groovy/Grails encoder var myAjax = new Ajax.Request(url, {method:'post', encoding:'UTF-8',…Read the article
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setsockopt (sys/socket.h)
- by lojin
The prototype for setsockopt is: int setsockopt(int socket, int level, int option_name, const void *option_value, socklen_t option_len); Are the following all correct ? Which are not ? a.) int buffsize = 50000; setsockopt(s, SOL_SOCKET,…Read the article
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What would you use for auto completion in Rails app?
- by Andrei
I want to use auto-completion in a number of fields (5-7) in my forms. There is a screencast on auto-completion with Prototype library by Ryan Bates ( http://railscasts.com/episodes/102-auto-complete-association). On the other hand, I have…Read the article
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How can I catch a change event from an HTML text field when a user clicks on a link after editing?
- by Eric the Red
Our webapp has a form with fields and values that change depending on values entered. Each time there is a change event on one of the form elements, we use an expensive AJAX call to update other elements on the page. This works great for…Read the article
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Can events fired from an iframe be handled by elements in its parent?
- by allyourcode
Suppose I have a page located at www.example.com/foo, and it contains an iframe with src="http://www.example.com/bar". I want to be able to fire an event from /bar and have it be heard by /foo. Using the Prototype library, I've tried…Read the article
