Arrays in
JavaScript are heterogeneous. You can store any kind of data in the array.
var arr =
[2, "Hello", 123.5, true, person];
As you
see, I can able to store different kinds of data like number, string, boolean
in the same array.
array.html
<!DOCTYPE html> <html> <head> <title>Array</title> </head> <body> <script type="text/javascript"> var person = { firstName: "Hari krishna", } var arr = [2, "Hello", 123.5, true, person]; document.write("Type of array : " + typeof arr + "<br />"); document.write("arr[0] : " + arr[0] + " type : " + typeof arr[0] + "<br />"); document.write("arr[1] : " + arr[1] + " type : " + typeof arr[1] + "<br />"); document.write("arr[2] : " + arr[2] + " type : " + typeof arr[2] + "<br />"); document.write("arr[3] : " + arr[3] + " type : " + typeof arr[3] + "<br />"); document.write("arr[4] : " + arr[4].firstName + " type : " + typeof arr[4] + "<br />"); </script> </body> </html>
Open above
page in browser, you can able see following data.
Type of
array : object
arr[0] : 2
type : number
arr[1] :
Hello type : string
arr[2] :
123.5 type : number
arr[3] :
true type : boolean
arr[4] : Hari krishna type : object
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