jQuery val() Method
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jQuery val() Method
The jQuery val() method gets or sets the value attribute of the selected elements.
Note: The following points to be considered when using the jQuery val() method
- When this method is used to get value, it gets the value of the value attribute of the first matched element.
- When this method is used to set value, it will overwrite all matched elements.
In the following example, we will get the value of the value attribute of the <input> tag.
Example
HTML Editor
<!DOCTYPE html>
<html lang="en-US">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
</head>
<body>
<h1>jQuery val() Method</h1>
<input type="text" value="Hello jQuery">
<button>Click Me</button>
<script>
$(document).ready(function(){
$("button").click(function(){
alert($("input").val());
});
});
</script>
</body>
</html>
Syntax
// Get content
$(selector).val();
// Set content
$(selector).val(value);
// Set content using a function
$(selector).val(func);
Parameter Values
| Value | Explanation |
|---|---|
| value | Specifies a string of text, a number, or an array of strings corresponding to the value of each matched element to set as selected/checked. |
| func | Specifies a function returning the value to set. this is the current element. |
Set Value
Example
HTML Editor
<!DOCTYPE html>
<html lang="en-US">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
</head>
<body>
<h1>jQuery val() Method</h1>
<input type="text">
<button>Click Me</button>
<script>
$(document).ready(function(){
$("button").click(function(){
$("input").val("Hello jQuery");
});
});
</script>
</body>
</html>
Set Value using Function
Example
HTML Editor
<!DOCTYPE html>
<html lang="en-US">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
</head>
<body>
<h1>jQuery val() Method</h1>
<input type="text">
<button>Click Me</button>
<p></p>
<script>
$(document).ready(function(){
$("button").click(function(){
$("input").val(function(){
var txt = "Hello jQuery";
return txt;
});
});
});
</script>
</body>
</html>
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