javascript get data attribute from event

I think you’d need to use the JSON.parse() method in a custom JS var to parse it. Following is the list of all Form Event attributes: This again triggers an attribute change event registered on the container element, more specifically via the data-clicked-items attribute. The SyntheticEvent now holds 'currentTarget', such as in event.currentTarget.getAttribute('data-username'). In a practical sense, data attributes also keep analytics top-of-mind (i.e. For example, this code sets a value for the firstName property in the user attribute. To get the value in jQuery, use the data-attributes with the data() method. https://facebook.github.io/react/docs/events.html. The target property gets the element on which the event originally occurred, opposed to the currentTarget property, which always refers to the element whose event listener triggered the event. How catch attributes when data attributes look like this : data-gtm-autopromo=”{“emplacement”:”menu2″,”brand”:”coca”,”campaign”:”trade”}” class=nav. So data-user-name becomes userName. Shopify, Harvest, Mailchimp, ActiveCampaign, VWO, YouTube, etc.) How do I return the response from an asynchronous call. ), what if your HTML actually nests part of the product tile under the data attribute? We add a custom attribute to an element that describes its behavior. The getAttribute() method returns the value of the attribute with the specified name, of an element. Since React components often take both custom and DOM-related props, it makes sense for React to use the camelCase convention just like the DOM APIs:This has not dataset. Your HTML becomes invalid, which may not have any actual negative consequences, but robs you of that warm fuzzy valid HTML feeling. Check out my API Connector Add-on to easily connect and pull data from thousands of platforms (e.g. As you can see in the code below, any data attribute that is separated by a hyphen should be referenced in camel case in your Javascript file. If an attribute has an object or collection type, such as Map, you can deep set properties in the attribute value using the dot notation for expressions. Form event occurs when the user performs some action within the form such as submitting the form, selecting input field, etc. I tried using a DOM variable with CSS selector but that just grabs the first instance of class. Note that here you’d only need to replace your Variable. If so, it may help to do a link-click trigger instead of all clicks. I’ve spent a month setting up GTM events based on classes, only to discover that a dev changed one of those classes two weeks later. Manu. Then write the name camelCase. Certain elements of your page aren't actually referring to any URL, but you may want them to trigger Ajax calls. React has always provided a JavaScript-centric API to the DOM. : As before, it uses the data attribute name (“data-tile-position”) in the closest function to retrieve the entire HTML element, and then uses camelCase to return the data attribute value. Live Demo And that's great news except I can't find a way to access it from the event object e.g. Adding data attributes to a GTM trigger lets you fire events when a user clicks on an element containing your data attribute. JavaScript provides several methods for adding, removing or changing an HTML element's attribute. There are a few options to deal with this, e.g. Hi, I configured my data layer variable, as you stated, with gtm.element.dataset.event.title (for receiving the value of “data-title=”value”). You can do either event.target.dataset.tag or event.target.getAttribute('data-tag'); either one works. But when I configure a click-event and trying to use this variable as a tag-label, the result is “undefined”. Hey, Very clear explanation and uses case. getElementById ('demo'); console. The target event property returns the element that triggered the event. How do I correctly clone a JavaScript object? Before HTML5, if you wanted to store information about the type of food offered by restaurants or their distance from the visitor, you would have used the HTML class attribute. Finally, I’ll show you how you can use the onchange event attribute to get the selected value from a