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Change the Floating Label Color of the TextBox in JavaScript (ES5) TextBox control

08 May 2023 / 1 minute to read

You can change the floating label color of the TextBox for both success and warning validation states by applying the following CSS styles.

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    /* For Success state */
    .e-float-input.e-success label.e-float-text,
    .e-float-input.e-success input:focus ~ label.e-float-text,
    .e-float-input.e-success input:valid ~ label.e-float-text {
      color: #22b24b;
    }

    /* For Warning state */
    .e-float-input.e-warning label.e-float-text,
    .e-float-input.e-warning input:focus ~ label.e-float-text,
   .e-float-input.e-warning input:valid ~ label.e-float-text {
      color: #ffca1c;
    }
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index.js
index.html
index.css
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ej.base.enableRipple(true);

// To get the all input fields and its container.

var inputElement = document.querySelectorAll('.e-input-group .e-input,.e-float-input.e-input-group input');

// Add 'e-input-focus' class to the input for achive ripple effect when focus on the input field.

for (var i = 0; i < inputElement.length; i++) {
    inputElement[i].addEventListener("focus", function () {
        var parentElement = this.parentNode;
        if (parentElement.classList.contains('e-input-in-wrap')) {
            parentElement.parentNode.classList.add('e-input-focus');
        } else {
            this.parentNode.classList.add('e-input-focus');
        }
    });
    inputElement[i].addEventListener("blur", function () {
        var parentElement = this.parentNode;
        if (parentElement.classList.contains('e-input-in-wrap')) {
            parentElement.parentNode.classList.remove('e-input-focus');
        } else {
            this.parentNode.classList.remove('e-input-focus');
        }
    });
}

// Add 'e-input-btn-ripple' class to the icon element for achive ripple effect when click on the icon.

var inputIcon = document.querySelectorAll('.e-input-group-icon');
for (var i = 0; i < inputIcon.length; i++) {
    inputIcon[i].addEventListener('mousedown', function () {
        this.classList.add('e-input-btn-ripple');
    });
    inputIcon[i].addEventListener('mouseup', function () {
        var element = this;
        setTimeout(function () {
            element.classList.remove('e-input-btn-ripple');
        }, 500);
    });
}
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<!DOCTYPE html>
<html lang="en">

<head>
    <title>Essential JS 2 TextBox</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 TextBox Components" />
    <meta name="author" content="Syncfusion" />
    <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-inputs/styles/material.css" rel="stylesheet" />
    <link href="index.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>
<body>
    <div id='loader'>Loading....</div>
    <div id='container'>
        <div class='wrap'>
                <div id="input-container">



       <div class="e-input-group e-float-input e-success">
        <input type="text" required>
        <span class="e-float-line"></span>
        <label class="e-float-text">Success</label>
       </div>
       <div class="e-input-group e-float-input e-warning">
         <input type="text" required>
         <span class="e-float-line"></span>
         <label class="e-float-text">Warning</label>
        </div>




            </div>
        </div>
    </div>
</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 {
    box-sizing: border-box;
    margin: 0 auto;
    padding: 20px 10px;
    width: 340px;
  }
  
  .e-float-input.e-success label.e-float-text{ /* csslint allow: adjoining-classes */
    color: #22b24b;
  }
  .e-float-input.e-success input:focus ~ label.e-float-text{ /* csslint allow: adjoining-classes */
    color: #22b24b;
  }
  .e-float-input.e-success input:valid ~ label.e-float-text { /* csslint allow: adjoining-classes */
    color: #22b24b;
  }
  
  .e-float-input.e-warning label.e-float-text{ /* csslint allow: adjoining-classes */
    color: #ffca1c;
  }
  .e-float-input.e-warning input:focus ~ label.e-float-text{ /* csslint allow: adjoining-classes */
    color: #ffca1c;
  }
  .e-float-input.e-warning input:valid ~ label.e-float-text { /* csslint allow: adjoining-classes */
    color: #ffca1c;
  }

.content-wrapper {
    width: 90%;
    margin: 0 auto;
    min-width: 185px;
}

.content-wrapper .row {
    padding: 15px 0;
}
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