jQuery .bind() accepts a data map, which is then passed to the event method when the executing handler is bound. More after the jump. This method behaves very similarly to the trigger method, with two major exceptions −. In this case, we pass a custom Event object to .trigger(). data − This is an optional parameters and represents additional data to pass as arguments (after the event object) to the event handler. Another working solution for those who were blocked with jQuery trigger handler, that dosent fire on native events will be like below (100% working) : var sortBySelect = document.querySelector("select.your-class"); sortBySelect.value = "new value"; sortBySelect.dispatchEvent(new Event("change")); you can also pass parameters (like other mentions in their answers) but those parameters will be additional arguments (you will still have the dataObject you set in the .on() function). Refer this Event Object, .trigger( eventType [, extraParameters] ). It is common for novice developers to pull that data directly from globally scoped objects – variables or global DOM selectors – which is not the best practice, and with more sophisticated dynamic UIs it easily gets out of hand and becomes impossible to maintain in the longer run. Both are mechanisms for passing information to an event handler, but the extraParameters argument to .trigger() allows information to be determined at the time the event is triggered, while the eventData argument to .bind() requires the information to be already computed at the time the handler is bound. This method returns the return value of the triggered handler instead of a chainable jQuery object. Note that if you pass additional data with trigger, your first parameter in the callback function always is the actual event you are triggering. … Note the difference between the extra parameters we’re passing here and the eventData parameter to the .bind() method. At the moment I have to... How to get a jqGrid selected row cells value, © 2014 - All Rights Reserved - Powered by, Can you set event.data with jquery trigger, javascript – jQuery AJAX file upload PHP-Exceptionshub, javascript – How is memory handled when destroying DOM elements?-Exceptionshub, jquery – How to hide menu until after a user starts scrolling in WordPress-Exceptionshub. Here is the simple syntax to use this method −, Here is the description of all the parameters used by this method −. Example 2 Here is the typical example showing both trigger() and on(): I hope I didn’t get you wrong but do you mean passing additional data with the trigger method? Parameter Description; function: Optional. It passes the event as the first parameter to those handlers, It (optionally) passes additional parameters to any handlers of the event, .trigger(): emit the event and define parameter 2, 3, etc consistently if needed. 'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs'); Passing data to jQuery events with event.data and custom $.Event object. $.Event.data can contain any valid Javascript data type: string, array, or any custom or built-in object. This is a nice and neat way to keep the event function locally scoped, instead of having it retrieve global variables or run some logic based on DOM selectors. Second − The event is only triggered on the first element within the jQuery collection. As far as I know, the same dataObject that you defined with the original : will be also sent when you use `$(‘selector’).trigger(‘eventName’). version added: 1.1 event.data It sends or emits an event of a specific type that travels up the DOM until it reaches the top or its propagation is stopped. No (only on() does this). Method / Property Description; bind() Deprecated in version 3.0. Why? That’s why they don’t let you specify the event.data. Both are mechanisms for passing information to an event handler, but the extraParameters argument to .trigger() allows information to be determined at the time the event is triggered, while the eventData …
The extraParameters must be an array or a single object and you will be allowed to get these objects with arguments[1+] (arguments[0] is equal to event object). In jQuery site you can see the declaration for the trigger function: .trigger( eventType [, extraParameters] ). Oh and I love the Lowlands. Whenever handling an event in jQuery, be it a UI event or a programmatic event, it is very often required to pass some piece of data to it. event.data Returns: Object Description: An optional object of data passed to an event method when the current executing handler is bound. Event methods trigger or attach a function to an event handler for the selected elements. Think of it as kind of a namespace.
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