As @pimvdb said in his comment, Note that change will only fire when the input element has lost focus. There is also the input event which fires whenever the textbox updates without it needing to lose focus. Unlike key events it also works for pasting/dragging text. (See documentation.) This is so useful, it is worth … Read more
Because the first option is already selected, the change event is never fired. Add an empty value as the first one and check for empty in the location assignment. Here’s an example: https://jsfiddle.net/bL5sq/ <select onchange=”this.options[this.selectedIndex].value && (window.location = this.options[this.selectedIndex].value);”> <option value=””>Select…</option> <option value=”https://google.com”>Google</option> <option value=”https://yahoo.com”>Yahoo</option> </select>
Implementation Import dependencies: import ‘dart:async’; In your widget state declare a timer: Timer? _debounce; Add a listener method: _onSearchChanged(String query) { if (_debounce?.isActive ?? false) _debounce.cancel(); _debounce = Timer(const Duration(milliseconds: 500), () { // do something with query }); } Don’t forget to clean up: @override void dispose() { _debounce?.cancel(); super.dispose(); } Usage In your … Read more
It is pretty simple, let’s see a working example: <select id=”dynamic_select”> <option value=”” selected>Pick a Website</option> <option value=”http://www.google.com”>Google</option> <option value=”http://www.youtube.com”>YouTube</option> <option value=”https://www.gurustop.net”>GuruStop.NET</option> </select> <script> $(function(){ // bind change event to select $(‘#dynamic_select’).on(‘change’, function () { var url = $(this).val(); // get selected value if (url) { // require a URL window.location = url; // redirect … Read more
If you mean selecting with the mouse, you can use mouseup. However, it will fire when the select box is being opened as well, so you’ll need to keep track of the amount of times it was fired (even: select is being opened, odd: select is being closed): http://jsfiddle.net/T4yUm/2/. $(“select”).mouseup(function() { var open = $(this).data(“isopen”); … Read more
According to the W3C, the onclick event is triggered by the keyboard for accessibility purposes: SCR35: Making actions keyboard accessible by using the onclick event of anchors and buttons In order to provide a better user experience for those without the use of a mouse, browsers have been developed to fire the onclick event even … Read more
function getComboA(selectObject) { var value = selectObject.value; console.log(value); } <select id=”comboA” onchange=”getComboA(this)”> <option value=””>Select combo</option> <option value=”Value1″>Text1</option> <option value=”Value2″>Text2</option> <option value=”Value3″>Text3</option> </select> The above example gets you the selected value of combo box on OnChange event.
So this is way late, but I’ve discovered an answer, in case it becomes useful to anyone who comes across this thread. Changes in value to hidden elements don’t automatically fire the .change() event. So, wherever it is that you’re setting that value, you also have to tell jQuery to trigger it. function setUserID(myValue) { … Read more
Use s.length() The following was once suggested in one of the answers, but its very inefficient textMessage.getText().toString().length()
Apparently Chrome and Safari are wrong: onchange should only be triggered when the user releases the mouse. To get continuous updates, you should use the oninput event, which will capture live updates in Firefox, Safari and Chrome, both from the mouse and the keyboard. However, oninput is not supported in IE10, so your best bet … Read more