if I have an array where the number are write in string format, how can I recognize when a string is in realty a number? example if I have this:
"50"
"house"
"light"
"100blue"
"yellow20"
"-100"
"20,5"
how can with a cicle to extract only:
50
-100
20,5
?
What is the correct syntax for an nested array where each array element has 3 elements, a number and two text strings?
Code:
array = ['1, Old Man, Old Man','2 Black Sheep, Black Sheep',....]
should the text strings be in double quotes("")?
Code:
array = ['1, "Old Man", "Old Man"','2 "Black Sheep", "Black Sheep"',....]
I'm post submitting a tabular form, the rows are like so
Code:
<tr>
<td><input type='checkbox' name='checkbox[]' value='x-y-z'></td>
[code]....
The follow jQuery code doesn't work. Does that mean jQuery doesn't support such a usage?
Code JavaScript:
var selectors = ['#header', '#content', '#footer'];
$(selectors.join(',')).addClass("new");
I use the below file function to sort the html table
[Code]...
I was working on this problem that asks me to return an array of scores for each string (only for its content part, not URL) in the global variable, which is an array. For example, alert a score of 0 if the string z is not found, 1 if found once, and 2 for twice. My problem is that I can get the code to alert if it has found the word (ex. "the"), but I cannot manage to :
a) Assign separate scores for each string.
b) Make the search case insensitive i.e. "the" will appear in 0,1, but not in 2, where it is capitalized
[CODE]
var c = ["[www.facebook.com] Facebook is the best social networking site to coccent with your friends. ", "[www.google.co.uk] Google is the worldwide search engine. ", "[www.bbc.co.uk] The best news source for starting your day. "];
function findScore(z) {
[Code]...
in PHP I can create a multi-dimensional array with strings for keys,eg
$arr['key'] = array("item 1","item 2");
This works if the string is a variable as well, like
$key = "MyKey";
$arr[$key] = array("item 1","item 2");
I'm trying to something similar in javascript, but with no luck
[Code]...
convert the inputs to numbers instead of strings?I'm trying to make a calculator of sorts
var array = new Array();
function insert(val)
{[code].....
Demonstration code:
The 'array' variable contains strings representing the id's of different elements. If the for loop above were to finish iterating, would all the links in all three elements call the click function (that displays an alert message), or would only the last element ("element3") have the click function? For me, the latter seems to be the case unless if I'm doing something wrong, but I would like clarifications and, if possible, alternative solutions as to how I can achieve the former result.
How do you take a long number such as Math.PI and break it out into an array? code...
I suppose that because of the decimal you would have to convert it into a string first? It would be ideal if I could keep the number as a number without converting it to a string, but I'm not sure if that's possible.
Every thread I've found online so far seems to indicate that you need a delimiter between the string you want to split up - that you can't just put every character of a string into an array... but there must be a way.
In http:www.dreaminco...wtopic51264.htm a code was proposed for generating a random number within an array and then printing it into the html document using document.write.Is it possible to go one step ahead and feeding the result into an html href function? [code]is the random array member generated by the javascript.
View 3 Replies View Relatedhow can I get the number of elements in an array
Code JavaScript:
function get_active_link(myul, myclass, menuItems){
var menu_unidades_yolo = document.getElementById(myul);
[code]....
i can scoured but cannot find a way to simply iterate an amount set by a number. both .each() and for(); seem to require the length of an array.
in php you can say if(startNum; is less than or equal to toNum;plusOne) but that doesn't work the same way. is there any way to iterate through something like this, using the javascripts for loop?:
Code:
var quantity = 20;
for( i=1; i <= quantity; i++){
return "blah blah";
}
I've been learning javascript for about a week and I'm really struggling right now. This is a homework assignment to help in learning loops and arrays.
What I want to happen is when a form button is hit it will replace the array from the one previous instead of just adding to it. Hopefully that makes sense. What do I need to do? here's my code....
I am writing this code
<script type="text/javascript">
$(document).ready(function() {
var obj = jQuery.parseJSON('{"a":"sss","b":"sss","question":"whi?"}');
//alert(obj.question);
});
</script>
How could I know how many objects variable obj has?
I just want to create an array of numbers counting from 1 to a given number.
At the moment I have the for loop running like this:
var i=0;
for (i=1;i<=10;i++)
{
if (i == 1)
[Code]....
This outputs 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
How can I put this output into this variable: 'var ids' so I get out
var ids= [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
How can I use JavaScript to count how many text fields are in an array of text fields? (example below)
HTML Code:
<input name="option[0]" type="text" id="option[0]" value="" /> <br />
<br />
[code]....
I want to get index number of form element array. where I want to put name in the front of code input box. Can any body tell me that how is possible. code...
View 3 Replies View RelatedI have a function that requires the ability to count the number of entries in an array.
I'm using the following to call my function inside an input tag:
Here is the javascript:
And when errors.length is alerted, it outputs 0. I can only figure that there is an issue when using custom named keys in an array, since this works when I use only integers, however, I have the need to use a custom key index as shown.
I want to get index number of form element array. where I want to put name in the front of code input box. Can any body tell me that how is possible.My code is as follow:
PHP Code:
<?php
echo "<form name="region">";
for ($i=1;$i<=5;$i++){
echo '<input type="text" name="code[]" onkeyDown="check(this)">
[code]....
I tried to use this code but it does not work
I have a form element that looks like this:
<input type="text" onchange=doSomething(this)>
and a function:
function doSomething(theField){
}
I know that within the function I can access properties of the field (e.g. theField.name and theField.value). But how do I access theField's index number in the form's elements[] array -- from the "this" reference that was passed to the function? I.E. if this field is elements[3], how can I get at that 3?
i have this javascript code that IE wont recognize?
Message: Could not get the type property. This command is not supported.
Line: 263
Char: 4
Code: 0
[Code]....
There is a random number of divs, each sharing the same class (.slecteable), each having its own id (a unique string extracted from the database).
A user clicks on a div. I get the id, and change the color of this div (in gets highlighted).
$('.selectable').livequery('click',function(){
var id;
id = $(this).attr('id');
[Code]...
I have a JSP page that calls a javascript function located in an external js file.
The js file is included to the page using the following code:
The script folder is located one level above the JSP page. I also used src="../scripts/javascript.js" for the source attribute and it did not work either.
When I moved the called function to the calling JSP page it worked fine.
So, the weird thing is: it only fails with IE7. In IE6 it works fine.
This has stumped me for the last couple of hours and I was wondering if anyone else could shed some light... I have a page which loads some cookies, when taking the value from the cookie it defines whether a checkbox should be ticked or not. This works if the value of the cookie is true but not if the value is false and it ticks the box anyway. The code is....
var widgetVal = loadCookie(widgetName);
switch(i){
case 1:
document.getElementById('calender_widget').checked = widgetVal;
break;
[Code]...
i is incremented each time in a for loop and a different cookie is loaded each time. As I said the code works if it set to true but not false however if I remove the variable and specify it as false it works.
I'm making a simple color code chart that when the user clicks the button, it alerts the color code, but javascript wont recognize the color code. Could someone please help. Here's the code:
Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<title></title>
[Code]...