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:
Last Updated :
27 Apr, 2020
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