Im trying to calculate the mean/average of numbers in an array.how can i get the length of an array to perform in a simple / maths problem whilst being flexiable to the length of the array?
function sum()
{
var i=0 [code].....
She's wanting an array that will store points awarded and then calculate the average. It will also then show the distribution of the allocated grades (that I'm not having trouble with - just pulling the averages from the array data).
This is my code so far:
<!DOCTYPE html PUBLIC "-W3CDTD XHTML 1.0 TransitionalEN" "http:www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http:www.w3.org/1999/xhtml">
<head>
[Code]....
I've tried different ways, most ending in the 'average' variable being undefined or when the button is pressed and the function 'ReturnAverage' called it doesn't do anything. I'm using Eclipse as my IDE to work on this and check syntax.
I'm a newbie to javascript and I made this script
<script>
var num = parseInt(prompt("Enter the number of integers to follow"));
var sum = 0;
for (i = 0; i < num; i++){
sum += parseInt(prompt("Enter a number"));
}
if (isNaN(num)) {
alert("Invalid");
} else {
if (sum < 0) {
document.writeln("The sum is 0 and the average is 0");
} else {
document.writeln("The sum is " + sum + " and the average is " + sum/num);
}
}
</script>
The scenario : Create in javascript that will read a series of integers at the terminal. The first integer is special, as it indicates how many more integers will follow. Your javascript is to calculate the sum and average of the integers, excluding the first integer, and display these values to the screen. If the total is not greater than 0 then display "The sum is 0 and the average is 0". Did I write the script correctly? am I missing anything that a dumb person might do? for example the person might type in letters instead of numbers.
How do i use a function to find the average of the values in an array of numbers passed as argument to a function.(using java script) thank you for your help...
View 1 Replies View Relatedcan i ask how to make this problem?input 20 number and print the average of the numbers..
View 5 Replies View Relatedneed to find the highest average from all of the averages entered in this code, but i have to use an if statement only, no arrays.
// ** Work out average ** //
average= readingSum/totalReadings
// ** Put average into a category and display everything ** //
[code]....
I am attempting a simple average calculation with javascript. I would like to have 6 boxes, 5 for the user to input a number in each, and the 6th box to display the average of the five. I have set up 2 functions to take the input, calc the total, then calculate the average. It seems to be taking the input, but on the rare occasions I get anything in the results box, it is NaN.
Here is my code:
<!DOCTYPE html PUBLIC "-W3CDTD XHTML 1.0 TransitionalEN" "[URL]">
<html xmlns="[URL]"><head>
<meta content="text/html; charset=utf-8" http-equiv="Content-Type" />
<title>Calculate Average</title>
<link href="style.css" rel="stylesheet" type="text/css" />
<script language="javascript" type="text/javascript">
/* <[CDATA[ */
Declare variables
var calcResult Result of numbers added together and deivided by 5.
function calcAvg() {
calcResult += document.numbers.box1.value;
calcResult += document.numbers.box2.value;
calcResult += document.numbers.box3.value;
calcResult += document.numbers.box4.value;
calcResult += document.numbers.box5.value;
return calcResult;
} function performCalc(calcResult) {
avgResult = calcResult / 5;
document.numbers.averageResult.value = avgResult;
} .....
I do not know how to program this in html code?
this is the problem?
input 20 number and print the average of the number....?
I've now got to form an average of snowfall inputs, taken from looped prompts, however I'm not allowed to use arrays or functions...Almost every example I see uses arrays, such as this one here:http://www.codingforums.com/showthread.php?t=4313Is it possible to not use arrays to form the average? Please describe how to do this in general terms, as was highlighted in that link ^^^ I want to learn, not copy, although one can be derived from the other...What I haveso far, assume all vars have been announced.
for (var d=1; d<=numofinputs; d=d+1)
{
input = prompt("Enter a data input" + d)
}
i am trying to create a interface to average down variable amount of input and show them on screen as they type....this is what i came up with.....and the input box fields....these are dynamically created...
<input type="text" name="datup[0][4]" size="3" onchange="calc()" >
<input type="text" name="datup[1][4]" size="3" onchange="calc()" >
<input type="text" name="datup[2][4]" size="3" onchange="calc()" >
[code]....
My knowledge of programming is very limited. I would like to calculate the average of session variables in Interpreted Java. However, some of session variables may not always be available. The first thing I do is remove the non numerical portion of the session variables:
String [] variables = {"A",'B','C','D','E'};
i = 0;
Iterate through each variable in the array above
while (i < variables.length){
Get the variables to be fixed
value = session.getVariable(variables[i]);
Log the UNFIXED values
session.log("UNFIXED: " + variables[i] + " = " + value);
if(value != null){
Remove non-numerical elements
value = value.replaceAll("\\D", "");
Set variables with new values
dataRecord.put(variables[i], value);
session.setVariable(variables[i], value);
Log the FIXED values
session.log("FIXED " + variables[i] + " = " + session.getVariable(variables[i]));
} i++;
}
Then I make sure the session variables can be treated as numbers:
A = Integer.parseInt(session.getVariable("A")).intValue();
B = Integer.parseInt(session.getVariable("B")).intValue();
C = Integer.parseInt(session.getVariable("C")).intValue();
D = Integer.parseInt(session.getVariable("D")).intValue();
E = Integer.parseInt(session.getVariable("E")).intValue();
Are they still alive?
session.log("A**" + A + "**");
session.log("B**" + B + "**");
session.log("C**" + C + "**");
session.log("D**" + D + "**");
session.log("E**" + E + "**");
I would like to calculate the average of A and B and save it as session variable AB, calculate the average of C and D and save it as session variable CD, and then the average of AB, CD, and E. Here's the weird part; AB, CD, and or E will not always be available. For example, AB will not be available so I need to calculate the average of CD and E or E will not be available so I need to calculate the average of AB and CD. As I said, my knowledge of programming is very limited so if you could provide code snippet with explanation of each step and where to plug in my session variables.
My task was to build a simple GPA calculator using select input and Javascript to average it all together and return it to the user with his name. So I started with my form which looks like this
<tr><td>
<form name="GPA"
<p> Test 1</p>
</td><td>
<select id="v1">
<option value="4">A</option>
<option value="3">B</option>
<option value="2">C</option>
<option value="1">D</option>
<option value="0">F</option>
</select>
</td></tr><tr><td>
Now to the best of my knowledge that looks correct, I made sure to use integers as the values so I could average them using this function
<script type="text/javascript">
<!--
function Average(v1,v2,v3){
return Average (v1+v2+v3) / 3;
}
-->
</script>
I need to find the average number in javascript. It is the only bit of javascript that I have to do in the course but it carries a high mark of which I cannot afford to lose. Any way the question is : "Write code to calculate the average height and write it out in the browser window"
<HEAD><TITLE> average</TITLE>
<SCRIPT LANGUAGE = "JavaScript">
//Experimental results of Table 1 stored in arrays.
var Height = [15,16,17,18,19];
var Number = [2,1,6,4,2];
//Part (ii).
//Write code to declare and initialise new array to represent the third row of the table.
var avg = new Array(5)
var avg = ["60","80","187","180","114"] ;
avg[0] = "60";
avg[1] = "80";
avg[2] = "187";
avg[3] = "180";
avg[4] = "114";
//Part (iv).
//Write code to calculate the average height and write it out in the browser window.
avg = 0;
for (var count = 1; count <= 5; count = count + 1)
Array.average = function(){
var avg = 0;
for(var a = 0; a < this.length; a++){
avg += this[a];
} return avg / this.length;
};
document.write('average height is ' +avg + '<br>');
</SCRIPT></HEAD><BODY>
</BODY></HTML>
ich got a textarea and want to add a special symbol to it like average. would be awesome if there were a button next to the textfield where a dialog pops up. via click on the specific symbol it should be added at the promt in the textarea box. maybe something like that smiley input in this wysiwyg-editor. should be as easy for the user as possible.does anybody know a plugin for that problem? i googled a lot and didn't find anything suitabl
View 2 Replies View RelatedI've written a program which will prompt for a number of cities, Prompt for the name of the city, then prompt for the number of snowfall readings of that city, and then prompt for each of these individual snowfall readings of that city. From this, it adds up each of the individual snowfall readings of that city, and will calculate an average by dividing this figure [the total snowfall] by the total number of readings for that city. This average is used to then classify the city as "not snowy", "mild", or "blizzard". I'm happy to PM my code to anyone willing to help out, as I realise this is a complex structure to visualise perhaps, but I can't post it publicly.
View 3 Replies View RelatedI've been messing with this code for about a couple of hours, and I did everything down to the wire..yet still I am unable to get it to work. When I input the numbers, and click off to the side nothing appears down at the final textarea of the form which is suppose to show the average.I've tried just about everything, sadly all I have to go by is other example codes, and the very intricate instructions which states I must pass the values to the calcAvg() to the second function of performCalc(), which I did, and then I assigned the var calcResult another value. From there I did the return..and after that I'm rather loss as to what to do next to get this code to work, any tips?
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
[code]....
I need a Javascript that can process two math formulas to convert Estimated Average Glucose to HbA1c and vice versa. The formulas are as follows:
(28.7 x A1C) - 46.7 = eAG
(46.7 + eAG) / 28.7 = A1c
It could be a two function javascript or two separate javascripts, I am not that particular as long as it does what I need it to do. The way I would like to see it work is you type the number you have into a field, and press a button to convert it. If it was a two function javascript you would have to select the conversion type you want do first.
i have a table, with 2 numeric values at the minute, if the checkbox is selected I want the total price to be shown? this is the form I have with the numeric values
<form id="calculation" action="#" method="post">
100 <input type="checkbox" name="check1" value="100" onClick='total_cost()'/>
120 <input type="checkbox" name="check2" value="200" onClick='total_cost()'/>[code].....
I am trying to write a script that will take a date of birth and another date and, if the person was over 75 years old on the createdDate, return "true" (otherwise return "false").
Unfortunately my code doesn't seem to return either 'true' or 'false'!
The code is:
var dateofBirth="30/10/1982";
var createdDate="01/12/2010";
var sd = dateofBirth.split('/');
var dob = new Date(sd[2],sd[1],sd[0]);
[Code]....
I want to create a link that a user can click which will create a popup
telling the user their ip address. I have:
var ip = new java.net.InetAddress.getLocalHost().toString();
alert("Your IP address is: " + ip.substring(ip.indexOf("/")+1))
but this does not seem to work. It says the ip is 127.0.0.1. Strangely,
this piece of code used to work but all of a sudden it doesn't for some
unknown reason. Can anyone tell me what's wrong with the above code?
I have two date fields (check in, check out) and "number of days"
field.
I want the script to calculate automatically the difference.
For example: I have defaults dates, and I want the script to put the
difference in "number of days" field. And if the user will change the
date, the number of days will change automatically.
I am using date of birth field in my application and i m taking date of birth in yyyy-mm-dd format.
I need to calculate age by using this date of birth and should show alert if age is less than 5 years.
I am having difficulty getting the following assignment to run properly:Many companies charge a shipping and handling charge for purchases. Create a Web page that allows a user to enter a purchase price into a text box and includes a JavaScript function that calculates shipping and handling. Add functionality to the script that adds a minimum shipping and handling charge of $1.50 for any purchase that is less than or equal to $25.00.For any orders over $25.00, add 10% to the total purchase price for shipping and handling,but do not include the $1.50 minmum shipping and handling charge. The formula for calculating a percentage is price * percent / 100. For example, the formula for calculating 10% of a $50.00 purchase price is 50 * 10 / 100, which results in a shipping and handling charge of $5.00. After you determine the total cost of the order (purchase plus shipping and handling), display it in an alert dialog box. Save the document as CalcShipping.html.This is what I have after working on it round and round for 4 hours yesterday:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">[code].....
I've been googleing for a auto calculating form and found nothing, I just want something .. some form, that can add values from different fields ... and make a sum .. in real time ... meaning that ... if I put X value in field #1 and Y value in field #2, at the bottom or somewhere I should have the X+Y value :P..
View 4 Replies View Relatedcalculating textbox value from java script for html
Example: (textbox1value X textbox2value) + (textbox3value + textbox4value)= result
where result value should display in textbox5
the following javascript is not calculating the difference between the two numbers.cant understand y
<script language="JavaScript" type="text/javascript">
function showAmt(){
total = document.total.value;[cod
