Question

How can I get a value of data attribute by part of name?
For example:

<div data-pcp-email="some text" data-pcp-order="some int" data-ref="some data"></div>

And suppose, I want to get all data attributes begin with data-pcp-: the result must bedata-pcp-email and data-pcp-order

Answer 1

You can get all the attributes (and their values) where the attribute name beings with ‘pcp’ like below:

// get an object map containing all data attributes
var data = $('selector').data();

// filter out what you need
for(var key in data) {
    if(key.indexOf('pcp') === 0) { // attrib names begins with 'pcp' ?
        console.log(key + ' => ' + data[key]);
    }
}

Here’s a demo: http://jsfiddle.net/8waUn/1/