Home > Developer > Web Develop

JS Basic _while Exercises 2

Source: Internet
Author: User
Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞ 

1 <!DOCTYPE HTML>2 <HTML>3     <Head>4         <MetaCharSet= "Utf-8" />5         <title>If Exercise 1</title>6         <Scripttype= "Text/javascript">7             /*8 * Enter Xiao Ming's final results from the keyboard:9 * When the score is 100, ' reward a BMW 'Ten * When the score is [80-99], ' reward a iphone15s ' One * When the score is [60-80], ' reward a reference book ' A * Other time, what reward is not -              */ -              the             /* - * Prompt () can pop up a prompt box with a text box - * User can enter a paragraph in the text box, the function needs a string as a parameter, - * The string will be the prompt text of the prompt box +              *  - * The user input will be returned as the function's return value, you can define a variable to receive the content +              */ A             //put the prompt into a loop at              while(true){ -                 //score is Xiao Ming's final grade. -                 varscore=Prompt ("Please enter Xiao Ming's final result (0-100):"); -                 //determine if the value entered by the user is legitimate -                 if(Score>= 0 &&score<=  -){ -                     //satisfying this condition proves that the user's input is legal and exits the loop in                      Break; -                 } to                  + Alert ("Please enter a valid score!!! "); -             } the              *              $             Panax Notoginseng             //Judging whether the value is legal -             if(Score>  - ||score< 0 ||IsNaN (Score)) { the Alert ("pull out and shoot."); +             }Else{ A                 //according to the value of score to decide what reward for Xiao Ming the                 if(Score==  -){ +                     //reward a BMW - Alert ("BMW, take it ~ ~ ~"); $                 }Else if(Score>=  the){ $                     //reward a cell phone - Alert ("mobile phone, take to play ~ ~ ~"); -                 }Else if(Score>=  -){ the                     //reward a reference book - Alert ("reference books, take to see ~ ~ ~");Wuyi                 }Else{ the Alert ("stick a root ~ ~"); -                 } Wu             } -              About              $              -              -              -              A         </Script> +     </Head> the     <Body> -          $     </Body> the </HTML>

JS Basic _while Exercises 2

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

  • Sales Support

    1 on 1 presale consultation

    Chat Contact Sales

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

    Open a Ticket

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

    Learn More