This type() Method in jQuery is used to determine the internal JavaScript [[Class]] of an object.
Syntax:
jQuery.type( obj )
Parameters: The type() method accepts only one parameter that is mentioned above and described below:
- obj: This parameter is the object to get the internal JavaScript [[Class]] of.
Return Value: It returns the string.
- Different obj return the following value for an object as a string.
- jQuery.type( true ) === “boolean”
- jQuery.type( new Boolean() ) === “boolean”
- jQuery.type( 3 ) === “number”
- jQuery.type( new Number(3) ) === “number”
- jQuery.type( undefined ) === “undefined”
- jQuery.type() === “undefined”
- jQuery.type( window.notDefined ) === “undefined”
- jQuery.type( null ) === “null”
- jQuery.type( “test” ) === “string”
- jQuery.type( new String(“test”) ) === “string”
- jQuery.type( function(){} ) === “function”
- jQuery.type( [] ) === “array”
- jQuery.type( new Array() ) === “array”
- jQuery.type( new Date() ) === “date”
- jQuery.type( new Error() ) === “error”
- jQuery.type( Symbol() ) === “symbol”
- jQuery.type( Object(Symbol()) ) === “symbol”
- jQuery.type( /test/ ) === “regexp”
Example 1: In this example, the type() method check whether the parameter is a array or not.
<!DOCTYPE html> <html>
<head>
<meta charset="utf-8">
<title>JQuery | type() method</title>
<style>
div {
color: blue;
}
</style>
</head>
<body style="text-align:center;">
<h1 style="color: green">
GeeksForGeeks
</h1>
<h3>JQuery | type() method</h3>
<p> Check Whether the [] is array type:</p>
<b></b>
<script>
$( "b" ).append( "" + jQuery.type( [] ) === "array");
</script>
</body>
</html>
|
Output:
Example 2: In this example, the type() method the object is undefined or null.
<!DOCTYPE html> <html>
<head>
<meta charset="utf-8">
<title>JQuery | type() method</title>
<style>
b {
color: blue;
}
</style>
</head>
<body style="text-align:center;">
<h1 style="color: green">
GeeksForGeeks
</h1>
<h3>JQuery | type() method</h3>
<p> If Object is undefined or null, <br>Value return:</p>
<b></b>
<script>
$( "b" ).append("undefined : " + jQuery.type( undefined )+ "<br>"+
"window.notDefined : " + jQuery.type(window.notDefined )+ "<br>"+
"null : " + jQuery.type( null )+ "<br>"
);
</script>
</body>
</html>
|
Output: