jQuery | change()

Configurare noua (How To)

Situatie

The change() is an inbuilt method in jQuery that is 
used to detect the change in value of input fields. This method works 
only on the “<input>, <textarea> and <select&gt” 
elements.

Solutie

Pasi de urmat

Syntax :

$(selector).change(function)

Parameter: It accepts an optional parameter “function”.
Return Value: It returns the element with the modification.
jQuery code to show the working of change() method:
Code #1:
In the below code, no function is passed to the change method.

<html>

<head>
<script src=”https://ajax.googleapis.com/ajax/libs/
jquery/3.3.1/jquery.min.js”></script>
<!–Demo of change method without passing function–>
<script>
$(document).ready(function() {
$(“button”).click(function() {
$(“input”).change();
});
});
</script>
</head>

<body>
<p>Click the button to see the changed value !!!</p>
<!–click on this button and see the change –>
<button>Click Me!</button>
<p>Enter value:
<input value=”Donald” onchange=”alert(this.value)”
type=”text”></p>
</body>

</html>

Output:
Before clicking the “Click Me” button-

After clicking the “Click Me” button-

Tip solutie

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