selected option element. What's the point in using an element if you're using javascript anyway? var functionName = function() {} vs function functionName() {}. How can I change an element's class with JavaScript? in select dropdown on change this.value = id. If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? Note: If the drop-down list allows multiple selections it will only return the index of the first option selected. options[e. selectedIndex]. Once initialized, 'previousValue' could now be used as an attribute. Simpler - the guy above needs to write more code to make up for his initial vagueness. Thanks! I was under the impression that I could get the value of a select input by doing this $(this).val(); and applying the onchange parameter to the select field. handleChange function and change the selected element, you will see the index She is a writer, chef, and computer programmer. in the alert you'll see the INT value of the selected index, treat the selection as an array and you'll get the value. See also, Doesn't work if my_select_with_name_ddlViewBy is an array like my_select_with_name_ddlViewBy[]. I'll edit my answer accordingly, Bro I follow Your Method and get the correct answer. How do I check if an element is hidden in jQuery? The change event fires only if the select box loses focus. To learn more, see our tips on writing great answers. The value -1 indicates that no element is selected. I don't agree with this solution. Please consider editing the question to include a description about the solution. If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? Asking for help, clarification, or responding to other answers. I think my approach is causing a circular reference with a computed variable. Note: The values don't change as the dropdown is changed, if you require that functionality then an onClick change is to be implemented. Do NOT follow this link or you will be banned from the site. so that when a option is selected its value is logged . The above code has been tested in the following browsers. We have given a dropdown of all the OS in the code above. Note: This adds this 'previous' functionality to all selects, so be sure to fine-tune the selectors if needed. $ ('.select2-selecting').on ('focusin', function () { console.log ("Saving value " + $ (this).val ()); $ (this).data ('val', $ (this).val ()); }); And then get the saved old value in your onchange function: Is there a proper earth ground point in this switch box? Event binding on dynamically created elements? Submit the selected option. keep the currently selected drop down value with chosen jquery in a global variable before writing the drop down 'on change' action function. And saving initial value of all at the beginning will be too teadious. Why must a product of symmetric random variables be symmetric? @Sinaesthetic this line sets one value to all the "mySelect" elements. How can I get the ID of an element using jQuery? I tried this, but change function is not getting called even if I put in document.ready method. Is Koestler's The Sleepwalkers still well regarded? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. From a standpoint of 'closure' usage, i am not sure if this is better than the 'focus' solution. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Is there a more recent similar source? Connect and share knowledge within a single location that is structured and easy to search. One can get a read-out of three data of a selected option -- its index number, its value and its text. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Set your value on some where hidden filed or local storage and get previous value from them. Using element.value property. Already had a javascript function that changed color pic's when clicking color swatches. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. This is the most general and comprehensive solution here. The above example gets you the selected value of combo box on OnChange event. Making statements based on opinion; back them up with references or personal experience. The selectedIndex property sets or returns the index of the selected option in a drop-down list. Unlike the input event, the change event doesnt necessarily fire every time the value of an element changes. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. If you wanted the text (e.g. Using focus isn't a valid solution. Should I include the MIT licence of a library which I use from a CDN? Is there a proper earth ground point in this switch box? We know all form elements need names, even before they get ids. Is Hahn-Banach equivalent to the ultrafilter lemma in ZF. I will you use the onclick and onchange to get value selected option.you can easy to get selected option value bellow follow example. Pure vanilla. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. '); Please help me with this. Make sure you provide a valid email address, Get selected Text and Value of DropDownList in OnChange event using JavaScript and jQuery, Advertising campaigns or links to other sites. Can the Spiritual Weapon spell be used as cover? Why must a product of symmetric random variables be symmetric? Great solution thanks. Any input/form field can use a this keyword when you are accessing it from inside the element. This is the simplest solution, at least for modern browsers. Strange behavior of tikz-cd with remember picture. How can I recognize one? No votes so far! You could store the current value on focus into a separate variable. Just remember the value. Not the answer you're looking for? How did Dominion legally obtain text messages from Fox News hosts? As a senior MEAN/MERN stack developer and project manager with more than 4 years of experience in this sector, she now handles multiple projects. id should be used for make-up purposes. if somebody also need to get the text of the option, here is it $ (this).find ('option:selected').text (); - Paul Iverson Cortez Nov 19, 2021 at 7:39 Add a comment 15 You can try this (using jQuery )- $ ('select').on ('change', function () { alert ( this.value ); }); element. It would appear it only works if I reference the ID. Where should I put