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Number Box


The NumberBox is a widget that displays a numeric value and allows a user to modify it by typing in a value, and incrementing or decrementing it using the keyboard or mouse.
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window.onload = function() { var totalProductQuantity = 30, salesValue = ko.observable(16), stockValue = ko.pureComputed(function() { return totalProductQuantity - salesValue(); }); var viewModel = { withButtons: { value: 20.5, showSpinButtons: true, showClearButton: true, }, disabled: { value: 20.5, showSpinButtons: true, showClearButton: true, disabled: true }, minAndMaxOptions: { value: 15, min: 10, max: 20, showSpinButtons: true }, salesOptions: { max: totalProductQuantity, min: 0, value: salesValue, showSpinButtons: true, onKeyPress: function(e) { var event = e.jQueryEvent, str = event.key || String.fromCharCode(event.which); if(/^[\.\,e]$/.test(str)) event.preventDefault(); } }, stockOptions: { value: stockValue, min: 0, showSpinButtons: false, readOnly: true } }; ko.applyBindings(viewModel, document.getElementById("number-box-demo")); };
<!DOCTYPE html> <html xmlns=""> <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="js/jquery-3.1.0.min.js"></script> <script src=""></script> <link rel="stylesheet" type="text/css" href="" /> <link rel="stylesheet" type="text/css" href="" /> <link rel="dx-theme" data-theme="generic.light" href="" /> <link rel="dx-theme" data-theme="android5.light" href="" /> <link rel="dx-theme" data-theme="ios7.default" href="" /> <link rel="dx-theme" data-theme="" href="" /> <link rel="dx-theme" data-theme="win10.white" href="" /> <script src=""></script> <script src="index.js"></script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="number-box-demo" class="form"> <div class="dx-fieldset"> <div class="dx-field"> <div class="dx-field-label">Default mode</div> <div class="dx-field-value"> <div data-bind="dxNumberBox"></div> </div> </div> <div class="dx-field"> <div class="dx-field-label">With spin and clear buttons</div> <div class="dx-field-value"> <div data-bind="dxNumberBox: withButtons"></div> </div> </div> <div class="dx-field"> <div class="dx-field-label">Disabled</div> <div class="dx-field-value"> <div data-bind="dxNumberBox: disabled"></div> </div> </div> <div class="dx-field"> <div class="dx-field-label">With max and min values</div> <div class="dx-field-value"> <div data-bind="dxNumberBox: minAndMaxOptions"></div> </div> </div> </div> <div class="dx-fieldset"> <div class="dx-fieldset-header">Event Handling</div> <div class="dx-field"> <div class="dx-field-label">This month sales</div> <div class="dx-field-value"> <div data-bind="dxNumberBox: salesOptions"></div> </div> </div> <div class="dx-field"> <div class="dx-field-label">Stock</div> <div class="dx-field-value"> <div data-bind="dxNumberBox: stockOptions"></div> </div> </div> </div> </div> </div> </body> </html>