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Hiroki Paranoid (IV) Inmate From: NZ Insane since: Dec 2002	posted 05-22-2003 04:12 Hi, guys. How are you? Well, I have been under a lot of problems, I am afraid. Especailly today.... My mission: quote: It returns the suare and the square root of an entered number. The number should be between -100 and 100. Othersise alert box says whether the number is too high or too low. code: <html> <head> <script type="text/javascript"> function cal() { if(-100<theForm.num.value<100) { theForm.sq.value=theForm.num.valuetheForm.num.value theForm.root.value = Math.round(Math.sqrt(theForm.num.value)100)/100; } else if(theForm.num.value>=100) { alert("Your number is too big!!!") } else { alert("Your number is too small!!!") } } </script> </head> <body > <form name="theForm"> <p> X= <input type="text" name="num" size="10"> <input type="button" value="Calculate" onClick="cal()"> <input type="reset" value="Reset"> </p> <p> X<sup>2<sup>= <input type="text" name="sq"> </p> <p> Root X= <input type="text" name="root"> </p> </form> </body> </html> Problem is alert box never pops up when I put in invalid number.... Would you see why??? Many thanks for sharing your time. Happy Thrusday. Cya. Hiroki Kozai [This message has been edited by Hiroki (edited 05-22-2003).] [This message has been edited by Hiroki (edited 05-22-2003).]
lallous Paranoid (IV) Inmate From: Lebanon Insane since: May 2001	posted 05-22-2003 07:40 code: if(-100<theForm.num.value<100) change this to: code: x = parseInt(theForm.num.value); if ( (x >= -100) && (x <= 100)) { alert('yeah'); } else { alert('number not between -100 and 100'); } Elias
Hiroki Paranoid (IV) Inmate From: NZ Insane since: Dec 2002	posted 05-22-2003 23:06 Hi, lallous! Good morning. How are you today??? Many many thank you for your help!!!! It worked! What I did is below: code: if((-100<theForm.num.value) && (theForm.num.value<100)) Instead of: code: if(-100<theForm.num.value<100) It worked perfectly! But can I ask something??? Do you have any idea why I cannot do like my way??? Many thanks in advance!! ( ^^ ) / Hiroki Kozai
lallous Paranoid (IV) Inmate From: Lebanon Insane since: May 2001	posted 05-23-2003 13:52 Hello Hiroki, I am fine, hope you're doing fine too. You cannot do -100<x<100 comparison in Javascript or any other high-level language I seen so far... Because that is an invalid syntax. To know what syntax is correct and what is not, you would better refer to a JavaScript manual/book Elias
Hiroki Paranoid (IV) Inmate From: NZ Insane since: Dec 2002	posted 05-26-2003 23:44 Hi,mate. Many many thanks for your explanation. How are you today? Are you living in Lebanon???! Wow, it is far from here. Glad to hear from you, mate. Have a happy day. Cya. Hiroki Kozai
lallous Paranoid (IV) Inmate From: Lebanon Insane since: May 2001	posted 05-28-2003 09:33 Yes, I live there... It is a beautiful country... Its system is hard to be understood by people that come from other civilized countries... Happy day too. Elias

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Hiroki
Paranoid (IV) Inmate

From: NZ
Insane since: Dec 2002

posted 05-22-2003 04:12

Hi, guys. How are you?
Well, I have been under a lot of problems, I am afraid.
Especailly today....

My mission:

quote:
It returns the suare and the square root of an entered number. The number should be between -100 and 100. Othersise alert box says whether the number is too high or too low.

code:

<html>

<head>

<script type="text/javascript">

function cal()

 {

   if(-100<theForm.num.value<100)

    {

      theForm.sq.value=theForm.num.value*theForm.num.value

      theForm.root.value = Math.round(Math.sqrt(theForm.num.value)*100)/100;

    }

   else if(theForm.num.value>=100)

     {

       alert("Your number is too big!!!")

     }

    else

       {

        alert("Your number is too small!!!")

       }

   

  }



</script>

</head>



<body >



<form name="theForm">

<p>

X=

<input type="text" name="num" size="10">



<input type="button" value="Calculate" onClick="cal()">

<input type="reset" value="Reset">

</p>



<p>

X<sup>2<sup>=

<input type="text" name="sq">

</p>



<p>

Root X=

<input type="text" name="root">

</p>



</form>

</body>

</html>

Problem is alert box never pops up when I put in invalid number....
Would you see why???
Many thanks for sharing your time. Happy Thrusday.
Cya.

Hiroki Kozai

[This message has been edited by Hiroki (edited 05-22-2003).]

[This message has been edited by Hiroki (edited 05-22-2003).]

lallous
Paranoid (IV) Inmate

From: Lebanon
Insane since: May 2001

posted 05-22-2003 07:40

code:

if(-100<theForm.num.value<100)

change this to:

code:

x = parseInt(theForm.num.value);

if ( (x >= -100) && (x <= 100))

{

  alert('yeah');

}

else

{

  alert('number not between -100 and 100');

}

Elias

Hiroki
Paranoid (IV) Inmate

From: NZ
Insane since: Dec 2002

posted 05-22-2003 23:06

Hi, lallous! Good morning. How are you today???
Many many thank you for your help!!!!
It worked!

What I did is below:

code:

if((-100<theForm.num.value) && (theForm.num.value<100))

Instead of:

code:

if(-100<theForm.num.value<100)

It worked perfectly!

But can I ask something??? Do you have any idea why I cannot do like my way???
Many thanks in advance!! ( ^^ ) /

Hiroki Kozai

lallous
Paranoid (IV) Inmate

From: Lebanon
Insane since: May 2001

posted 05-23-2003 13:52

Hello Hiroki,

I am fine, hope you're doing fine too.

You cannot do -100<x<100 comparison in Javascript or any other high-level language I seen so far...
Because that is an invalid syntax.

To know what syntax is correct and what is not, you would better refer to a JavaScript manual/book

Elias

Hiroki
Paranoid (IV) Inmate

From: NZ
Insane since: Dec 2002

posted 05-26-2003 23:44

Hi,mate. Many many thanks for your explanation.
How are you today?
Are you living in Lebanon???!
Wow, it is far from here.
Glad to hear from you, mate.
Have a happy day.
Cya.

Hiroki Kozai

lallous
Paranoid (IV) Inmate

From: Lebanon
Insane since: May 2001

posted 05-28-2003 09:33

Yes, I live there...

It is a beautiful country...
Its system is hard to be understood by people that come from other civilized countries...

Happy day too.

Elias