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    Text Box

    Text Box

    The TextBox is a UI component that allows users to enter and edit a single line of text. This demo illustrates the following TextBox properties:

    • value
      A value the TextBox displays.

    • placeholder
      An input prompt the TextBox displays when the value is not defined.

    • showClearButton
      Specifies whether to display the button that clears the TextBox value.

    • mode
      Affects a set of keyboard characters displayed on a mobile device when the TextBox gets focus and modifies the component's display style. In this example, the mode is set to "password" so that entered characters are obscured, and the password cannot be read.

    • mask
      An input mask.

    • maskRules
      Custom mask rules.

    • disabled
      Specifies whether the TextBox responds to user interaction.

    • onValueChanged event handler
      Use this function to perform an action when a user enters a new value. In this demo, this function uses the entered value to construct a dummy email address and assign it to another TextBox.

    • valueChangeEvent
      One or several DOM events that trigger the onValueChanged event handler.

    • readOnly
      Prevents users from changing the editor's value.

    • hoverStateEnabled
      Specifies whether the TextBox responds when users long press or hover the mouse pointer over it.

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    $(() => { $('#simple').dxTextBox({ value: 'John Smith', inputAttr: { 'aria-label': 'Name' }, }); $('#placeholder').dxTextBox({ placeholder: 'Enter full name here...', inputAttr: { 'aria-label': 'Full Name' }, }); $('#clear-button').dxTextBox({ value: 'John Smith', showClearButton: true, inputAttr: { 'aria-label': 'Full Name' }, }); $('#password').dxTextBox({ mode: 'password', placeholder: 'Enter password', showClearButton: true, value: 'f5lzKs0T', inputAttr: { 'aria-label': 'Password' }, }); $('#mask').dxTextBox({ mask: '+1 (X00) 000-0000', maskRules: { X: /[02-9]/ }, inputAttr: { 'aria-label': 'Mask' }, }); $('#disabled').dxTextBox({ value: 'John Smith', disabled: true, inputAttr: { 'aria-label': 'Full Name' }, }); $('#full-name').dxTextBox({ value: 'Smith', showClearButton: true, placeholder: 'Enter full name', inputAttr: { 'aria-label': 'Full Name' }, valueChangeEvent: 'keyup', onValueChanged(data) { emailEditor.option('value', `${data.value.replace(/\s/g, '').toLowerCase()}@corp.com`); }, }); const emailEditor = $('#email').dxTextBox({ value: 'smith@corp.com', readOnly: true, inputAttr: { 'aria-label': 'Email' }, hoverStateEnabled: false, }).dxTextBox('instance'); });
    <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/23.1.5/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/23.1.5/js/dx.all.js"></script> <script src="index.js"></script> <link rel="stylesheet" type="text/css" href="styles.css" /> </head> <body class="dx-viewport"> <div class="demo-container"> <div class="form"> <div class="dx-fieldset"> <div class="dx-field"> <div class="dx-field-label">Default mode</div> <div class="dx-field-value"> <div id="simple"></div> </div> </div> <div class="dx-field"> <div class="dx-field-label">With placeholder</div> <div class="dx-field-value"> <div id="placeholder"></div> </div> </div> <div class="dx-field"> <div class="dx-field-label">With clear button</div> <div class="dx-field-value"> <div id="clear-button"></div> </div> </div> <div class="dx-field"> <div class="dx-field-label">Password mode</div> <div class="dx-field-value"> <div id="password"></div> </div> </div> <div class="dx-field"> <div class="dx-field-label">Text mask</div> <div class="dx-field-value"> <div id="mask"></div> </div> </div> <div class="dx-field"> <div class="dx-field-label">Disabled</div> <div class="dx-field-value"> <div id="disabled"></div> </div> </div> </div> <div class="dx-fieldset"> <div class="dx-fieldset-header">Events and API</div> <div class="dx-field"> <div class="dx-field-label">Full Name</div> <div class="dx-field-value"> <div id="full-name"></div> </div> </div> <div class="dx-field"> <div class="dx-field-label">Email (read only)</div> <div class="dx-field-value"> <div id="email"></div> </div> </div> </div> </div> </div> </body> </html>