required

问题 I have one HTML text box (for quantity) and two HTML buttons (Add, Cancel) inside my form. <form> <input type="number" min="1" max="100" required /> <button type="button">Add</button> <button type="button">Cancel</button> </form> I do not want my second button (cancel) to validate the form when clicked. Is this possible? In ASP.NET, I can use CausesValidation="false" to not trigger the validation. 回答1: Try this; <button type="button" formnovalidate>Cancel</button> I changed your code: What

问题 I'm attempting to use dojo for the first time, so this may be be obvious. I have a very simple form with one textarea in it that needs to be filled in. <script src="http://ajax.googleapis.com/ajax/libs/dojo/1.10.3/dojo/dojo.js"></script> <form id='form1' action="" method="" dojoType="dijit.form.Form"> <label for="dob">desc:</label> <textarea class='multilinecontrol' dojoType="dijit.form.Textarea" selected='true' required='true'></textarea> <button type='submit' id="next" name="next" dojoType=

问题 I have a form with 2 fields, one of which is required. I used HTML5 required attribute to check if the field is filled up during submission. <form id ='reg' name='reg' action='here.php' method='post'> <input type='text' id='name' name='name' placeholder='Name' value='' required="true" /> <input type='text' id='contactno' name='contactno' placeholder='Contact No' value='' /> <input type='submit' value='Register' name='register' id='register' /> </form> Before the form actually submits, I want

问题 I have a set of radiobuttons called 'price'. When the '€' radio button is selected, I want to focus on a text input field and that text input field should be required. When I click another option, the requried attribute should be removed. Is this possible through Javascript or jQuery? I found a jQuery snippet here, but it doesn't seem to be working. This is what I have now: <input type="radio" name="price" value="value" id="value_radio" onclick="document.getElementById('value_input').focus()"

问题 I need to include jquery and form validations libraries into a specific component. I have already tried react-async-script-loader but couldn't get it to work. Please note, I am using the Laravel and ReactJS. Also the code I have included is the sample code from the github repository (https://github.com/leozdgao/react-async-script-loader). However, I have the downloaded files to used in the Laravel public folder. Here is the error I am getting: Uncaught TypeError: Cannot convert undefined or

问题 Short-form question: Can an xsd:enumeration tag have a required attribute, as in any tag that uses this enumeration MUST use the specific enumeration value at least once? Details: For example, let's say that I have already defined a fruit xml tag in my xsd. The fruit tag has an attribute whose value is the enumeration FruitType. It is define as such: <xsd:simpleType name="FruitType"> <xsd:restriction base="xsd:string"> <xsd:enumeration value="Apple" /> <xsd:enumeration value="Banana" /> <xsd

问题 I have a form, LabelingForm() with two multiplechoicefields and I wish to set the required - parameter so that it is False when pressing button A and B but True when pressing button C. I 've tried with initial = False and required = True but it doesn't work, it requires field choice when pressing button A. in forms.py class LabelingForm(forms.Form): First_choices = (('1',''), ..... ) First_choice = forms.MultipleChoiceField(choices=First_choices, initial=True,required=True) Second__choices =

问题 Here is my configuration: PrimeFaces: 4.0.4 (elite) OmniFaces: 1.6.3 JSF: MyFaces 2.0.2 Server: WebSphere 8.5.0.2 Some code (I only post the relevant part for better clarity): <p:selectOneMenu value="#{viewModel.selectedContact}" required="true" converter="omnifaces.SelectItemsConverter"> <p:ajax event="change" listener="#{viewModel.updateContact}" update="area"/> <f:selectItem itemValue="#{null}" itemLabel="#{msg.no_contact}" noSelectionOption="true" /> <f:selectItems value="#{viewModel

问题 I am working on creating a maven archetype. It is working fine. I have one more enhancement to do which is explained below In the archetype-metadata.xml , I declared the following properties. <requiredProperties> <requiredProperty key="item1"> <defaultValue>${artifactId}_1</defaultValue> </requiredProperty> <requiredProperty key="item2"> <defaultValue>${artifactId}_2</defaultValue> </requiredProperty> </requiredProperties> When I create the project, it is prompting for the required properties

问题 required tag doesn't work for the following form. why? Someone please help me. Thanks. <form name="qquote" method="post" action="<?php $_SERVER['PHP_SELF'];?>" style="margin-left:30px"> <input required type="text" id="from" class="cleardefault from" name="from" value="From" size="8px"/> <img src="images/arrow.png" /> <input required type="text" id="to" class="cleardefault to" name="to" value="To" size="8px"/><br /> <input type="text" id="name" class="cleardefault field" name="name" value=