Jag är nyfiken på detta med att skapa hidden-fält från js-variabler. Det enda jag gjorde var att flytta deklarationen av input/hidden-fälten så att
function addHidden(theForm, key, value) { // Create a hidden input element, and append it to the form: var input = document.createElement('input'); input.type = 'hidden'; input.name = key; // 'the key/name of the attribute/field that is sent to the server input.value = value; theForm.appendChild(input); } // Form reference: var theForm = document.forms['detParameterForm']; // Add data: addHidden(theForm, 'key-one', 'value'); addHidden(theForm, 'another', 'meow'); addHidden(theForm, 'foobarz
You can simply use the value property of the DOM input element to get the value of text input field. Hidden 对象. Hidden 对象代表一个 HTML 表单中的某个隐藏输入域。. 这种类型的输入元素实际上是隐藏的。. 这个不可见的表单元素的 value 属性保存了一个要提交给 Web 服务器的任意字符串。. 如果想要提交并非用户直接输入的数据的话，就是用这种类型的元素。. 在 HTML 表单中 标签每出现一次，一个 Hidden 对象就会被创建。.
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Essentially, setting display:none for the style. Syntax. hide(). Notice any Use this if you want to show or hide part of a form if certain options are selected or boxes are checked. The triggering input gets an data-selects-visibility Nov 2, 2020 Create three different files called Demo1.js , Demo2.js , and Demo3.js We can hide the first name input control if the first button is clicked; Jul 23, 2005 I mean - if I have several tags with my values that. I can reference, would this have a greater overhead then, for example, Aug 24, 2017 This week in my private Vanilla JS Slack channel (available to people who purchase one of my pocket guides), one of my students asked me Mar 22, 2021 The ng-Show directive in AngularJS is used to show or hide a given