onchange

问题 There is a component that contains input[type=file] . Also, this field has an uploadFile handler, which calls the validateMessage method, which attempts to change the error. As you can see, after changing this.error it shows that everything is correct. But in div.error it is not displayed and if you look in vueDevtool, then there is also empty. data in vueDevTools data() { return { error: '' } }, methods: { validateFile(file) { if (! file.type.includes('video/')) { this.error = 'wrong format'

问题 I want an option to change color when selected by a user. For Example: a user selects the red option then a function would run that would change the color red. If the user then selected green then it would change green. etc. <select onchange="changeColor();" class="color" id="rgb"> <option id="red" value="Red">Red</option> <option id="green" value="Green">Green</option> <option id="blue" value="Blue">Blue</option> </select> I'm started with the function below but im not sure where I went

问题 What I have: I have two text boxes. When the page loads, the value of the first text box is applied to the second. What I need: I need the change event to fire when the page loads. My code: HTML: a: <input type="text" id="a" value="x" /> b: <input type="text" id="b" value="y" /> JQuery: // Apply value of #a to #b and fire change event... $('#b').val($('#a').val()).change(); // Listen for the change and alert... $('#b').on('change', function() { alert("Change event fired on load."); });

问题 Target: From a select dropdown menu, if someone selects an option, disable/remove/hide the rest of the options on that dropdown menu. Here is the dropdown menu. If someone selects "1", the rest of options (2,3,4) will be removed/disabled/hide: <div class="abc"> <div class="xyz"> <select name="pqr" class="selectDropdown"> <option value='1'>1</option> <option value='2'>2</option> <option value='3'>3</option> <option value='4'>4</option> </select> </div> </div> Here is the JavaScript I tried to

问题 I am trying to populate my DDL(selection) from value of another DDL in OpenERP. Here is the code, that i have tried. Here is my View XML: <h1> <label for="categ1" string="Parent category"/> <field name="categ1" on_change="Product_Category_OnChange(categ1)" /> </h1> <newline/> <h1> <label for="my_products" string="Products" /> <field name="my_products" /> </h1> My _columns for this view is like: _columns = { 'categ1':fields.many2one('product.category','Parent Category',required=True), 'my

问题 <script type="text/javascript"> function achat_change_themes() { var rel = $('link[title="chat_theme"]'); var select = $('#achat_times').attr('value'); if(select == "GrayScale") { rel.attr('src' , 'www.avacwebthemes.vacau.com/css/mario_theme.css'); } else if (select == "Mario") { rel.attr('src' , 'www.avacwebthemes.vacau.com/css/mario_theme.css'); } else if (select == "Eartone") { rel.attr('src' , 'www.avacwebthemes.vacau.com/css/mario_theme.css'); } else if (select == "Dark") { rel.attr('src

问题 To start, I have searched the site and found this: How to fill in a text field with drop down selection but it did not suit my needs, as I'm generating very long templates and the above method would be too time consuming and impractical as it would mean filling in the value attribute of each <option> tag with my templates. So here's the code: <script type="text/javascript"> //<![CDATA[ function showCSTemplates(sel){ locations =[ "", /*this remains blank for first selection in drop-down list*/

问题 I have some Ajax which passes a javascript variable to getfirstvals.php which then does its thing with the DB and echos out a table of values depending on the javascript variable I input. I now want to pass back these PHP variables which are being echoed, back to the original page that the javascript is being sent from in order to convert them into javascript variables to do calculations on. I'm not sure how to do this. Below is how it works so far. A range "slider" to select the values: echo

问题 I have the following code: <g:select name="availableUser.id" from="${availableUsers}" noSelection="['': message(code: 'global.noSelection')]" optionKey="id" value="${name}" onchange="${remoteFunction( controller: 'report', action: 'getAvailableUsers', params: [report: reportInstance.id, user: this.value], update: 'userSelection' )}"> In remote function getAvailableUser I can access passed parameter named report but the other one(user) is constantly returning null even though combobox is

问题 I'm trying to write a script that display row value in a SpreadSheet file using UiApp. And this script will need to update the data whenever there is a change to the SpreadSheet. This would normally be simple with just Trigger onChange. However, the SpreadSheet itself is also updated by another function, and it seem that onChange is not triggered when the changes made are caused by another AppScript. Is there an alternative way to achieve what I described? Code below, thanks var ss =