Databases
StackOverflow2013
Postsdbo
POgetJSON inside a function causing an infinite loop
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POgetJSON inside a function causing an infinite loop
    primarykey
    data
    text
    <p>I'm working on a Codeigniter application and in a page I'm using jQuery to make an Ajax call to a function inside a controller. I pass to this function some values taken from the page; the function make some calculations and then I have to display the result. All of this withouth refreshing the page.</p> <p>The ajax code is this:</p> <pre><code>$.getJSON("photos/change_product", {product_id: product_type, ajax: 'true'}, function(data) { var options = []; for (var i = 0; i &lt; data.length; i++) { options.push('&lt;option value="' + data[i].id + '"&gt;' + data[i].label + '&lt;/option&gt;'); } $("select#options").html(options.join('')); }) }; </code></pre> <p>When I trigger it from a click event on some html element it works just fine. The problem is that I also need it to run when I load the page the first time. So I thought I could move that code into a function and then call it wherever I needed it. So, I created a changeProduct function with the code above and then called it like this:</p> <pre><code>$(document).ready(function() { function changeProduct(product_type) { $.getJSON("photos/change_product", {product_id: product_type, ajax: 'true'}, function(data) { var options = []; for (var i = 0; i &lt; data.length; i++) { options.push('&lt;option value="' + data[i].id + '"&gt;' + data[i].label + '&lt;/option&gt;'); } $("select#options").html(options.join('')); }) }; var selected_product = $("ul#products li:first-child a"); changeProduct(selected_product); </code></pre> <p>And this is causing an infinite loop of page refreshing. How can I avoid this? Shall I create counters and conditionals or is there some better way?</p> <p>SOLVED: the problem is in the selected_product variable. It should be something like this:</p> <pre><code>var selected_product = $("ul#products li:first-child a").val(); </code></pre>
    singulars
    1. PO
      singulars
      1. PTAnswer
    1. This table or related slice is empty.
    1. PTQuestion
    1. USCarlo
    1. USCarlo
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
      singulars
      1. PTAnswer
    1. This table or related slice is empty.
    1. COWhat happens if you move the function out of the document.ready but make the call to the function in the document.ready instead?
      singulars
      1. POgetJSON inside a function causing an infinite loop
      1. USJamie
    2. COI've already tried. It happens the same thing. The problem it's the call.
      singulars
      1. POgetJSON inside a function causing an infinite loop
      1. USCarlo
    3. COStrange because all you're doing is creating an array, joining it and inserting it into the select tag! You don't have any javascript errors in your console do you? Try persisting the console - it might be hitting the page, erroring and refreshing somehow
      singulars
      1. POgetJSON inside a function causing an infinite loop
      1. USJamie
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload