input value code example

Example 1: get value javascript

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Get Text Input Field Value in JavaScript</title>
</head>
<body>
    <input type="text" placeholder="Type something..." id="myInput">
    <button type="button" onclick="getInputValue();">Get Value</button>
    
    <script>
        function getInputValue(){
            // Selecting the input element and get its value 
            var inputVal = document.getElementById("myInput").value;
            
            // Displaying the value
            alert(inputVal);
        }
    </script>
</body>
</html>

Example 2: html input text

<label for="name">Name (4 to 8 characters):</label>

<input type="text" id="name" name="name" required
       minlength="4" maxlength="8" size="10">

Example 3: default value input

<input type="text" id="fname" name="fname" value="John">

Example 4: html value attribute

<!-- The value attribute is used to for example fill data to an input -->

<input type="text" value="I was already filled" id="textInput">

<!-- The value can be set or copied using JavaScrpit -->
<script>
	// Get your element
	var input = document.getElementById('textInput');
	
	// get the value
	var value = input.value;
	
	// set the value
	input.value = "i was changed";
</script>

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