I am trying to add the elements in an array together and display the result, I am using a user prompt to obtain the elements for the array, this works fine but when I come to add the elements together and display the result all I get is a row of the elements not their sum. The user inputs are all integers (the program adds the prices of items together so they are all numbers,amounts). If the user enters 10, 15,15,20 the result I get is 10151520 not 60.
I am trying to figure out a way to modify all elements in an existing array by adding a value to the value already in the array.
I need to prompt the user to input a value and add that value to an index in the array. I was thinking of using a for loop as I need to do the same for each index in the array.
Write a program which takes a series of positive integers as input : 1, 2, 3 … When input is complete, as indicated by entry of an end of data flag ( -2), the program will output the largest of the entered values.
Talking about a js script which changes an iframe src through a "ref_to iframe.setAttribute("src", document_path);", I would like to launch a check() fct when this new document is loaded.
Of course, knowing, I don't want (and can't n some cases where document is generated by a cgi script) to edit every possible document which is potentially loadable in the iframe.
In fact, I've through about the idea to on fly add an "onload='check ()'" to every document, but don't know how to do that :-(
Maybe using attachEvent or something arounnd this : I don't know. Of course, I wish a solution working in the majors browsers.
I am implementing several scriptaculous sliders in my app... and one thing I can see being an issue is setting their "values" property to limit the selectable values.
This property takes an array of integers representing the allowable values. Unfortunately without this property, the slider will allow you to select a decimal value, so I can't just use a min and max if I only want integer values output.
Creating an array for a small data set is simple: for example "values: [0, 1, 2, 3, 4, 5]"
But some of my sliders will range into the hundreds and need an array of hundreds of allowable values. Is there a simple way to generate an array of 0 to 100 integer values (or more). I know I could use a for loop but it seems to me there might be an even easier way, though I cannot find it.
I would like it to fit in a code block like this:
javascript Code:
var s1 = new Control.Slider('handle1', 'track1', { axis:'horizontal',
[Code]....
EDIT: for further clarification, I found that PHP has a range() function that does exactly what I want. Anything comparable in Javascript? [URL]
im just doing a little test and this might seem like a really stupid question but i cant figure it out...all i simply want to do is take all those numbers and get the sum then display the sum in a document.write in theory i should get 10 but i dont and idk why i have tried many many things
var numbers = new Array(); numbers[0] = 1; numbers[1] = 2; numbers[2] = 3; numbers[3] = 4;
I'm trying to match all integers before and after the hyphen:
12345-5
This is what I tried but always returns null
Code:
var divID = '12345-5'; var idPattern = /^[0-9]+$/; //Matching one or more numbers before the hyphen var id2Pattern = /^-[0-9]+$/; //Matching starts from the hyphen and all numbers that proceed
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.
I am having trouble making a website for a vacation rental I pieced this javascript code and form together with a simple goal in mind: -to have 3 checkboxes each with its unique variable
weeks: 2,000 weekends: 325 weekdays: 275
-to allow users to check one or more of the checkboxes, and multiply it by a quantity they choose (ie "I'd like to stay for two weeks (2 x 2,000=6,000) and one weekday (1 x 275=275)
-finally, to add up the totals at the end (6,000 + 275=6,275)
Write a JavaScript/HTML program that inputs two integers a and b in an input text box, and outputs all odd numbers between a and b (a and b are expected to be between 1 and 30, and a<b)
I am trying to get an object that is stored as an attribute. In IE7 it works but IE8 appears to return the object as a string value (pretty useless). I tried getting the attribute node and the debugger shows an object as the nodeValue but I cannot access it either. It returns an object in IE7 but in IE8 I get the result of a toString on the object again.
Is there a way to get an object stored in an attribute in IE8?
I am trying to pull a value being stored in a php function (it works fine) which is echoed into an html element, and use it in a javascript function. my HTML:
function get_large_image(){ var image = document.getElementById('menu_image').src; alert(image); }
right now the alert is giving me flie path to the current page, I need a file path to the image. When I had javascript pull a value from an input tag using the id to reference and stored the php function in the value attribute, I got this: "object HtmlElement" The final purpose of all this is to modify dynamically and HTML <a>'s href and class attribute based on a certain condition being true.
I am having a problem to add numbers store in an array. arrayValues[0][0] = 1; arrayValues[0][1] = 2; var col = 0; var sum; for ( var row = 0; row < index; i++ ) sum += arrayValues[col][row]; My result is ==> 12 it is defining my sum variable as string. Even I try do do this var sum = 0; to define sum as numeric variable. my result was ==>012.
So when the page loads the thumbnails cycle through using setInterval. When the user clicks on one of the thumbnails, it is supposed to open a new window and show the enlarged version of that thumbnail stored in bigpics. However it only comes up with a broken image link. Any ideas why this is not working?
I have a strange issue currently within my event.state I have a function that I would like to execute. So you can say that event.state = function(). How I now execute this function that is stored in event.state?
I want to be able to see the javascript code in a javascript file on the web server. Eg where you get <script src="../../../../resources/ javascript/ClientCore.js" defer=1></script>
How can I print the contents of those files to eg a DIV section?
