onchange

问题 In Odoo9 I need a dynamic domain that depends on many2one field on a wizard. Using various examples I made it work, but the filtered values are always valid for previous option. Or they are valid if I choose an (invalid) option from the filtered domain. Details: At the end of opportunity workflow a salesman is supposed to evaluate opportunity where s/he chooses the probability of success. There were several levels to be chosen in special wizard ("100% sure", "not sure", "maybe" etc). I used

问题 Javascript and I will never be best friends. I try to set a checkbox to checked by changing the elements from a dropdownlist. This is the snippet <select name="change_status_to" id="sel"> <option>....</option> <option>....</option> </select> <input type="checkbox" name="do_status_change" value="on"> How could I use Javascript with the onchange-event to set the checkbox to the state checked? 回答1: You can set its .checked property: document.getElementById("do_status_change").checked = true;

问题 how can i change/assign a value to php variable depending on a javascript variable? here is my code. <select id="reOutcome" name="reOutcome" onchange="OnChange(this.form.reOutcome);"> <option value="1">Value 1</option> <option value="2">Value 2</option> <option value="3">Value 3</option> </select> <script type="text/javascript"> function OnChange(dropdown) { var myindex = dropdown.selectedIndex var SelValue = dropdown.options[myindex].value if(SelValue==2){ <?php $sCOMPFields .= "|".

问题 I'm using React and Socket.io but I have an issue. Each character I write in the input field, a new socket id is created and I do not want that to happen. When I remove the setUsername(e.target.value) in the onChange method no socket are created. Here is my code: Server Side: const express = require('express'), app = express(), http = require('http').createServer(app), PORT = 5000, io = require('socket.io')(http); io.on('connection', (socket) => { console.log('New client with id: ' + socket

问题 javascript based tag ( type ='file' ) created and add one attribute in that tag that attribute name onchange , i will assign alert But alert is not come when choice the new file in internet explore. choicefile.setAttribute("onChange", "alert('test')"); 回答1: You can do two ways, 1.. Using HTML, add onchange event inline <input type="file" id="file_select" name="file_select" value="" onchange="alert('File selected')" /> Demo: http://jsfiddle.net/CS3xJ/1/ 2.. Using JS, choicefile.onchange =

问题 I have a component using a react hook to change the text of a styled collapse/accordion panel whenever a user clicks to open it. The problem I'm having is that this logic is effecting the text for all 3 collapse panels at the same time instead of just the panel being opened. I've included a link to a code sandbox to highlight the behavior and I've included the code below Code Sandbox https://codesandbox.io/s/q-56761334-style-collapse-extra-bdcbz import React, { useState } from "react"; import

问题 Is there a jquery event for when options are added or removed from a select control on an HTML page? I have tried .change() but it only seems to fire when I click on option elements. I.e. this doesn't work: $(function() { $('#select').change(function() { alert('hello world'); }) }); Thank you :). 回答1: You need a plugin to check if there is HTML added or removed from the DOM. livequery is a plugin http://docs.jquery.com/Plugins/livequery 回答2: When adding a new element to an existing dropdown,

问题 This question already has answers here : How to pass parameters on onChange of html select (11 answers) Closed 3 years ago . Is this possible using some combination of javascript and html? <select onchange="myFunction(valueOfThisSelector)"> <option value="op1">Op1</option> <option value="op2">Op2</option> <option value="op3">Op3</option> </select> I would prefer if the solution is achieved without using element ids, because I want to be able to apply this to many selectors. If the value

问题 I have the following code that works each and every time an element change happens within my web form: <!-- jQuery.support.cors = true; // needed for ajax to work in certain older browsers and versions $(document).ready(function(){ $(this).change(function(){ alert('form element changed!'); }); }); // end .ready() //--> What I have been struggling with is how to capture the form field element id , name and changed value when the change event is triggered. Can anyone help me out on this? Thanks

问题 I am writing a form in Ruby on Rails and want to have a select box that calls a Javascript function. In the form file, this is the line I am using to try to add the select box: <%= f.select :question_select, Question.all, :prompt => "New Question", :onchange => "displayQuestion(this)" %> In my application.js file, I just have: function displayQuestion(link) { alert("Changed question"); } I am going to be dynamically adding these form elements to a page, so I can't just use jQuery in the