The jQuery bind() event attaches one or more event handlers of the selected elements and executes a specified function when the event occurs.
Syntax:
$(selector).bind(event,data,function,map)
Event: It is a compulsory parameter as it specifies the events to attach.
Data: It is an optional parameter that is used to specify any additional data.
Function: It is also a compulsory parameter as it specifies the function to execute when the event occurs.
Map: It is also an optional parameter that is used to specify an event map.
Features of jQuery bind() events:
- Compatible on various browsers.
- Easy and quick.
- Provides shorthand and easy methods for binding event handlers.
Example1:
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("button").bind("click", function(){
alert("Width: " + $("div").width());
});
});
</script>
</head>
<body>
<div style="height:100px;width:500px;padding:10px;margin:3px;border:1px solid blue;background-color:lightpink;"></div><br>
<button>Width</button>
</body>
</html>
Example2:
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("h1,h2").bind("click", function(){
$(this).hide();
});
});
</script>
</head>
<body>
<h1>Click me. I am a ghost.</h1>
<h2>Me too.</h2>
</body>
</html>