select2:opening: Triggered before the dropdown is opened. Jquery select2 plugin is a very famous jquery plugin, using select2 plugin we can do several thing like select box with search, select option with check box, ajax auto-complete etc. 做小组内使用的一个简单工具,其中要实现的一个小功能是当某个下拉菜单的选择值改变时触发另一表单元素的属性变化。自然的想到使用select表单元素的onchange事件。下拉菜单部分的代码如下: 1-分区表 2-普通表下拉菜单的值通过JS更改:...tableType = getTableType(DNS, port, DBName, tableName);i You can attach to them using the .on method provided by jQuery: When select2:select is triggered, data from the selection can be accessed via the params.data property: e.params.data will return an object containing the selection properties. Ideally, I want to change what is shown as selected, without firing off an event (since I have a custom one bound to, See my answer below for an example of how to solve @van_folmert problem. Sentence with gerund or gerundive and infinitive. when using this code Vue.directive(‘select’, {twoWay: true,bind: functi. It supports searching, remote data sets, and pagination (infinite scrolling) of results. Looking at the select2 docs you use the below to get/set the value. If you needed the second parameter (triggerChange), you should also call .trigger("change") on the element. All public events are relayed using the jQuery event system, and they are triggered on the box that is displayed by the browser. i put alert for just demo purpose but i want to send ajax request to server to get more result on based on the selection. Triggered before a selection is removed. The difference is that the oninput event occurs immediately after the value of an element has changed, while onchange occurs when the element loses focus, after the content has been changed. Tip: This event is similar to the oninput event. Beranda programmer How to change the value of select2 without trigger event? Getting value of select (dropdown) before change, JqGrid searchoptions with select2 existing value. $('#select').val(1).change(), if you want to select multiple values then set value in array so you can use this code For V4 Select2 if you want to change both the value of the select2 and the text representation of the drop down. Thanks for contributing an answer to Stack Overflow! $(".demo").on("change",function(e){ // e 的话就是一个对象 然后需要什么就 “e.参数” 形式 进行获取 console.log(e);}) 打印出来的截图 获取select2选中的的值 $(".demo").on("select2:select",function(e){ // e 的话就是一个对象 然后需要什么就 “e.参数” 形式 进行获取 how to select options by default from select2 list? So the system unselects Bob for me: Or say I make the system select the next in the list instead of Bob: Notes on Select 2 website (see Deprecated and removed methods) that might be useful for others: .select2('val') On change is much better than a click event as it isn't cancerous to select an option. it not giving any alert. I'm using npm and I don't want to download sources and change it manualy. I'm having this very specific issue of which I have not been able to find a solution. This will set not only the value behind the scenes but also the text display for the select2. The difference is that the oninput event occurs immediately after the value of an element has changed, while onchange occurs when the element loses focus. – user4600953 Dec 16 '18 at 21:48. So, for example, let’s say you want to select bicycle manufacturers using select2 - but you want to prioritize more common manufacturers. Here I will give you solution and full example for get select2 multiple selected value or text using jquery. Aurelia + Select2 custom element not propagating selected changed, Select2 trigger(“change”) creates an infinite loop, Select2, set default value for Single Select Drop down, Can't change html select selected value in javascript, Can't select the option on select2 version 4.0.3 ajax method. select2:closing is fired before this and can be prevented. In Select2 v4 documentation recommended to reset select by setting value to empty value and triggering event. Try to trigger('change.select2').trigger('select2:select'); if just change is not enough. working perfectly thank to @PanPipes for the usefull one. The deprecated method no longer includes the triggerChange parameter. Thanks a million for this! Definition and Usage. But, this at least provides a simple way to update the display to match the new value, without triggering custom change event handlers. if you want to set a selected item when you know the text from drop down list and don't know the value, here is an example: Say you figured out a timezone and want to set it, but values has time_zone_id in them. Built with Grav - The Modern Flat File CMS. Select2 will listen for the change event on the elements. While this code may answer the question, providing additional context regarding why and/or how this code answers the question improves its long-term value. Under what circumstances can a bank transfer be reversed? Depending on the on-change function event, the state and city will change automatically. What does "whole 360" mean in this context? The following example demonstrates how this can be set up. select2:close: Triggered whenever the dropdown is closed. What is the right way to clear select2 dropdown when using Ajax? .select2('val') The "val" method has been deprecated and will be removed in Select2 4.1. The other difference is that the onchange event also works on elements,