# Javascript loops

Jeevan kumar
Javascript loops
1 Answer(s)      6 years and 11 months ago
Posted in : Development process

Write a JavaScript code, - for guessing any number between 1 to 20. run the loop till you not get

correct number. Use prompt() box to input number from user.

October 20, 2010 at 3:02 PM

Hi Friend,

Try the following code:

```<SCRIPT LANGUAGE="JavaScript">
var guess;
var rno=Math.round(Math.random()*(19)+1);
while(guess!=rno){
guess=window.prompt("Guess Number from 1 to 20");
if (guess==rno){
alert('Congratulations! You have guess the number!');
}
if (rno<guess){
alert('Number is less than '+ guess);
}
if (rno>guess){
alert('Number is greater than '+ guess);
}
if (guess==''){
}
}
</SCRIPT>
```

Thanks

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