Lose input hints (get focus) after pressing mouse cursor in a textbox with JavaScript



Let’s say the following is our input text −

<label for="name">StudentName:<input name="name" id="studentName"
value="Enter your Name ????" class="guess"></label>

To lose input hints on pressing mouse cursor, use onFocus and onBlur concept.

Example

 Live Demo

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initialscale=1.0">
<title>Document</title>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
</head>
<body>
<label for="name">StudentName:<input name="name" id="studentName"
value="Enter your Name ????" class="guess"></label>
</div>
<script>
   function guessFocus() {
      if (this.value == this.defaultValue)
         this.value = '';
   }
   function guessBlur(event) {
      if (this.value == '')
      this.value = this.defaultValue;
   }
   var event = document.getElementById('studentName');
   event.onfocus = guessFocus;
   event.onblur = guessBlur;
</script>
</body>
</html>

To run the above program, save the file name “anyName.html(index.html)” and right click on the file. Select the option “Open with Live Server” in VS Code editor.

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Output

This will produce the following output −

When you click the mouse inside the text, you will get focus and hints would lost. The screenshot is as follows −

Updated on: 2020-09-01T12:27:37+05:30

410 Views

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