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Maintain trailing zeros in NumericTextBox in JavaScript (ES5) NumericTextBox control

22 Jul 2021 / 1 minute to read

By default, trailing zeros disappear when the NumericTextBox gets focus. However, you can use the following sample to maintain the trailing zeros while focusing the NumericTextBox.

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index.js
index.html
styles.css
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var numericFocus= function () { 
      var numericObj = this.ej2_instances ? this.ej2_instances[0] : this;
      numericObj.element.value = numericObj.formattedValue(numericObj.decimals, +numericObj.element.value);
    }
    // Render the Numeric Textbox
  var numeric = new ej.inputs.NumericTextBox({
        value: 10,
        decimals:2,
        format: 'n2',
        change: numericFocus
    });
    numeric.appendTo('#numeric');
    document.getElementById('numeric').addEventListener('focus', numericFocus);
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<!DOCTYPE html><html lang="en"><head>
    <title>EJ2 NumericTextBox</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="TypeScript NumericTextBox Component to maintain trailing zeros">
    <meta name="author" content="Syncfusion">
    <link href="styles.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/ej2-inputs/styles/material.css" rel="stylesheet">
    
    
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js" type="text/javascript"></script>
</head>
<body>
     
     <div id="container">
        <div class="wrap">
          <input id="numeric" type="text">
        </div>
     </div>

<script>
var ele = document.getElementById('container');
if(ele) {
    ele.style.visibility = "visible";
 }   
        </script>
<script src="index.js" type="text/javascript"></script>
</body></html>
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#container {
    visibility: hidden;
}

#loader {
  color: #008cff;
  font-family: 'Helvetica Neue','calibiri';
  font-size: 14px;
  height: 40px;
  left: 45%;
  position: absolute;
  top: 45%;
  width: 30%;
}

.wrap {
  margin: 35px auto;
  width: 240px;
  padding-top:100px;
}