Make sure that it is the first script loaded on your page. I believe what you confirmed in this thread is that the HTML notation should work without any JS; just importing the 'jquery.mask.min' file is enough. Due to a jQuery bug, nested options using data-* attributes do not work in jQuery 1.x. That doesn't work for me. I'm unable to set a mask on any kind of element. I use the data-attribute to transport data from a backend SQL-DB via PHP to my web clients. By Peter Vogel; 02/03/2013 jQuery not working, however it is loading perfectly!!! Now, no matter if you remove the button and add it again, the click event will always work because it is delegated from the button’s parent or parent’s parent.In this case, that is the body element tag which has not been removed and still loaded in the DOM.. How to get and set data attribute values. Using the jQuery data attr() method, you can get and set data attribute values easily from selected html elements. jQuery attr() Method. Regarding why you might not use jQuery to set attributes: many client side templating languages build DOM, including data attributes. Also here are a couple of good articles about this issue – Definition and Usage. If you put a breakpoint on the statement that changes the data attribute and then look at the DOM Explorer, you can see that the data property has not been set to the PDF, and then if you step over that statement and look at the DOM again, you can see that the property has been updated. And, more important, it's the perfect solution for handling transactional data. I have my file loaded at the end as you've suggested. jQuery turns our code into normal javascript code, so that the browsers can interpret what we are saying. value: An attribute value.Can be either a valid identifier or a quoted string. Description: Select elements that either don't have the specified attribute, or do have the specified attribute but not with a certain value. If that zoom plugin of yours is using jQuery.data() to handle attached data, it won't see the changes you make to the data attributes.jQuery.data() reads the data attributes from the DOM on first access, and on first access only.After that, the attributes are cached. The value of the option is subject to jQuery's parsing rules for HTML5 data attributes. The data- attributes are pulled in the first time the data property is accessed and then are no longer accessed or mutated (all data values are then stored internally in jQuery). The problem exists because browsers understand javascript and not stand alone jQuery snippets. Working with the HTML5 Data Attributes Using jQuery. HTML data attributes are case-insensitive, so any options which contain capital letters will … For get an attribute’s value use the below syntax When this method is used to set attribute values, it sets one or more attribute/value pairs for the set of matched elements. jQuery Forum Move this topic Forum : Getting Started Using jQuery Using jQuery Plugins Using jQuery UI Developing jQuery Core Developing jQuery Plugins Developing jQuery UI QUnit and Testing About the jQuery Forum jQuery Conferences jQuery Mobile Developing jQuery Mobile However, when using the HTML notation, nothing happens. As I can not make any assumptions about the data I have to transport, I encode64 it before enclosing it as a value in ‘ ‘ or ” ” for the data-attribute. camelCase options. Syntax. jQuery support for the new HTML5 data attributes may not be everything a developer could want -- but it's very close. This is very easy to overlook. Here is the jsFiddle if you want to play with the code!. 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