How to debug javascript using SplineTech JavaScript Debugger www.javascript-debugger.com
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Question by heather: Javascript html—- “Begin” function question?
I need to write a script that uses the begin function and four other worker functions to perform simple arithmetic calculations.

The skeleton of the script is::

Best answer:

Answer by Andrew
Why are u asking for help whn u know how to do it ??
Here's the code any ways

function begin(){
var no1, no2, calcType, result;
no1 = prompt("Enter Numbet 1 :");
no2 = prompt("Enter Numbet 2 :");
calcType = prompt("Enter 1 = Add | 2 = Sub | 3 = Mul | 4 = Div :");
var type = parseInt(calcType);

switch(type){
case 1: result = add(no1, no2); break;
case 2: result = sub(no1, no2); break;
case 3: result = mul(no1, no2); break;
case 4: result = div(no1, no2); break;
default : alert("Invalid Option");
}
alert("The Result is : "+result);
}

function add(n1, n2){
no1 = parseInt(n1);
no2 = parseInt(n1);
return (no1+no2);
}

I am hoping u will code the rest, that is well under your limits now.

Good luck

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Question by Ahmad S: what is the code “html coding” for point picture to view the bigger size?
let say i have a picture in my page… i dont want to view the larger picture at the new page.. how to make it.. if i just point to the picture, the picture will expand right below it. as far as i know it is javascript.

Best answer:

Answer by Bunty
In dreamweaver create a layer and insert your big image. Make your small image a link so that when you place the mouse on it the layer with the big image shows and on mouseout the layer hides.

This is done via behaviours – show hide layer. Yes this is javascript, but dreamweaver makes it easy.

for more tutorials log on to http://gateway2internet.com

Know better? Leave your own answer in the comments!

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Question by Yiaggi: *URGENT* How can I edit this search function JAVASCRIPT to work with my website?
Hi guys,

I urgently require a search website function for a website I have built. I need it to simply search my website by keyword and deliver the results in an organised manor.

I have been iven a JAVASCRIPT solution which looks like it could work but I am an amature when it comes to JAVASCRIPT and have no idea which part of the code I need to edit to make it work with my site! I have some PHP experience but no JAVASCRIPT.

Below is the code – could someone please explain which bits to edit? Thank you for your time – you are properly saving my bacon!

CODE
———

ps …. I SEE THE BIT THAT SAY’S “THIS IS WHERE THE MAGIC HAPPENS” BUT AM CONFUSED ABOUT WHAT VARIABLES TO ADD THERE …….. ! Any help would be truely appreciated – I have till the end of today to complete!

Ta x

Best answer:

Answer by AnalProgrammer
Just after the magic happens you have this comment.
// “Page Name”,”path”,”Page Title”,”Many,Key,Words”,”Descriptive Comments”

Then you have this.
c=0; item[c]=new Array(“index.html“,”",”DemoSite”,”index,… search engine data about an imagined but probable internet site.”);
and
c++; item[c]=new Array(“about.htm”,”",”About Me”,”about,author,contact,email,who”,”Co… details and general information about the creator of the site and what the site is about.”);
These are the pages with the details that you can search on and are in the format described by that comment.
The first line must start
c=0; item[c]=
the second and subsequent lines must start
c++; item[c]=
Now fill in the rest. Keep adding to the list for all your pages.

Have fun.

What do you think? Answer below!

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Question by : html “Back” button does not change select menu back to previous selection?
Hello,

I am looking for HELP with a select menu. My problem is that when the “Back” button is clicked the screen functions correctly and goes back to the previous screen, however, the select menu entry does not go back to the previous entry. Here is the select menu:

Any help will be BIG TIME APPRECIATED.

Thanks,

Peter

Best answer:

Answer by just “JR”
Back button reloads the cached page, so it does not reload the whole page!
(and you use a class you do not control: MM_jumpMenu…, which is most likely a javascript, and javascript is NOT reloaded with the back button.)
You will have to force the browser to discard the cache at the initial loading (a different problem with EVERY browser!)

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ASP.NET Unleashed: WITH JavaScript by Example AND HTML for the World Wide Web with XHTML and CSS - Visual QuickStart Guide

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Question by Piper Pakistani: i try to use “mailto” with javascript on simple html page but it ask me to setup SMTP how i setup it
i m useing IE 6.0
can it dependent on Browser

Best answer:

Answer by Goutam
Dear

If your are using Windows Xp than insert your Windows XP CD in your CD Drive and open control panel add select Add Remove Option and CLICK ADD REMOVE WINDOW COMPONENTS AND SELECT TICK SMTP Option.

You can also do the same through with the Auto Play option in your Windows XP CD.

Goutam

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Script breaker by: coolerwesbox Modified by: cwade12c I’ve edited this vulnerability into something more major. Alerts can be generated, h1, marquee, redirect, iframes, etc. Concept: Creating a script tag after your given comment, there is no script to match this, which breaks YouTube Javascript. Concept Wade: YouTube uses a certain function to generate HTML and to check to see if it is a function. By generating this, and by playing within the parameters, more dangerous code than just script can be generated. This is a different syntax than the original concept. How?: Leech/Skid Proof. View page source @ example and figure out how to manipulate the example.

Visit my website www.itechsociety.com click here for the arranged playlist http if you want to download this video. just click the link rapidshare.com Managing Web Docs with html comments
Video Rating: 4 / 5

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Question by johnrobinm: using javascript body onload command to show results without having to click submit?
hello, i have an shtml page with a simple form using get to retrieve data, when the submit button is clicked the results are returned on another html page, what i was wondering is if there was a way to have the results for the form returned automatically without having to click the submit button (which there is a way, just put the asp script address with the form variables you want in the url but it only works to return one set of variables) what i can’t figure out is what if you want to have multiple form results computed and returned using javascript’s body onload command so that the form results can be computed and shown on the same single webpage, in other words, how could you preload the results of (this is only an example:

“http://abc.com/page.shtml?var1=1&var2=1&search=Submit”

“http://abc.com/page.shtml?var1=2&var2=2&search=Submit”

“http://abc.com/page.shtml?var1=3&var2=3&search=Submit”

and have these reults displayed on one webpage without having to click submit?

Best answer:

Answer by AQuestionMark
You can use onchange in the last input box of the form to call a function to display the the div which display is none when load. These div contains iframe of the links you got.

So when the function is call, value is taken from input field, and based on what is entered, a div is set display=”" to show.

Here’s a demo http://www.freewebs.com/swhtam/YA/noSubmitResult.html go to menu View, source for the complete code.

In the demo, when you enter name like yahoo, google or netscape in seach engine box and hit tab, that page will show underneath the box.

Alternatively, you could use Ajax to call that page without submit, a bit harder with coding, but since you want preloaded page, so this is only my suggestion.

Give your answer to this question below!

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Question by Jack: What is wrong with my Javascript code?
I am learning Javascript and decided to make myself a program to find the roots of parabolas. However, when I press the button to calculate the roots, the alert that should pop up doesn’t I cant figure out what’s wrong with the code. Help!

Here is the Code:

function=Define_Variables()
{
var a=document.getElementById(“avalue”).value
var b=document.getElementById(“bvalue”).value
var c=document.getElementById(“cvalue”).value
var term1=(b)(-1)
var term2=math.sqrt(b^2-(4)(a)(c))
var term3=(a)(2)
alert(“The roots are “(term1+term2)/term3 ” and ” (term1-term2/term3)
}

Best answer:

Answer by juliepelletier
You have many errors, including:
- math.sqrt should be Math.sqrt
- concatenation is done with a + which is missing from your alert
- in your alert, you will need to put the calculation between parentheses

You should use a browser with a good javascript debugging console like Opera.

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