Home > Developer > JavaScript
Math. random () method used to generate random numbers in JavaScript
This article mainly introduces the Math. random () method used to generate random numbers in JavaScript. It is the basic knowledge in JS beginners. For more information, see
This method returns a random number between 0 (inclusive) and 1 (excluded ).
Syntax
?
| 1 |
Math. random (); |
The following is the detailed information about the parameters:
NA
Return Value:
Returns a random number between 0 (inclusive) and 1 (excluded ).
Example:
?
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 |
<Html> <Head> <Title> JavaScript Math random () Method </title> </Head> <Body> <Script type = "text/javascript">
Var value = Math. random (); Document. write ("First Test Value:" + value );
Var value = Math. random (); Document. write ("<br/> Second Test Value:" + value );
Var value = Math. random (); Document. write ("<br/> Third Test Value:" + value );
Var value = Math. random (); Document. write ("<br/> Fourth Test Value:" + value ); </Script> </Body> </Html> |
This produces the following results:
?
| 1 2 3 4 |
First Test Value: 0.28182050319352636 Second Test Value: 0.6375786089661319 Third Test Value: 0.6780129774072902 Fourth Test Value: 0.7310958163154001 |
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
