Array.forAll Method
May 19, 2006
These methods work in any browser that runs javascript.
Array.prototype.forAll= function(fun,boo){
var A= new Array, tem, temp;
var L= this.length;
for (var i = 0; i < L; i++){
var tem= this[i];
try{
temp=(tem)? fun(tem): false;
}
catch(er){
temp= ''
}
if(temp){
if(boo && temp==true)A.push(tem);
A.push(temp);
}
}
return A;
};
Array.prototype.hasAny= function(wot){
if(!wot)return 0;
var L= this.length, cnt= 0, tem;
for(var i= 0; i< L; i++){
tem= this[i];
if(!tem) continue;
if(tem== wot) cnt++;
}
return cnt;
};
Array.prototype.disorder=function(){
var tem,temp;
var L= this.length;
var wot=new Array;
for(var i in this) wot[i]=this[i];;
while(--L){
tem= Math.round(Math.random()*L);
if(tem!= L){
temp= wot[tem];
wot[tem]= wot[L];
wot[L]= temp;
}
else L++;
}
return wot;
};
Array.prototype.inCommon=function(wot,boo){
var A=new Array,tem;
if(!wot || !wot.length) return ''
while(wot.length){
tem= wot.pop();
if(this.hasAny(tem)){
if(boo!==false && A.hasAny(tem)==0) A.push(tem);
}
else if(boo===false && A.hasAny(tem)==0)A.push(tem);
}
return A;
};
Array.prototype.skip= function(wot){
if(typeof(wot)=='string') wot= wot.split(/s*;s*/);
var L=this.length;
var A=new Array;
for(var i=0;i<L;i++){
var tem=this[i];
if(wot.hasAny(tem)) continue;
A.push(tem);
}
return A;
};
Array.prototype.unique= function(){
var A= new Array;
var L= this.length;
for(var i= 0; i< L; i++){
var tem= this[i];
if(A.hasAny(tem)== 0) A.push(tem);
}
return A;
};
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Jan 31, 2011
Why is the callwhy is the slice method only a method of an Array instance? The reason why I ask is because if you want to use it for the arguments property of function object, or a string, or an object, or a number instance, you are forced to use Array .prototype slice.call(). And by doing that, you can pass in any type of object instance (Array, Number, String, Object) into it. So why not just default it as a method of all object instances built into the language?In other words, instead of doing this:
function Core(){
var obj = {a : 'a', b : 'b'};
var num = 1;[code]....
//right now none of the above would work but it's more convenient than using the call alternative.
}
Core('dom','event','ajax');
Why did the designers of the javascript scripting language make this decision?
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Dec 24, 2011
I'm trying to send my array object through ajax using the jQuery .get method, but when it sends, ids show up as multiple parameters and I'm not sure if that's the way to do it.
Here is my code:
var val = [];
$(':checkbox:checked').each(function(i){
val[i] = $(this).attr('id').substring(6);
});
$.get("/assets/ajax/pm_change_status.php", { s: sess_id(), 'ids[]': val } );
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May 14, 2010
Is there a built in method to remove empty array elements?
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Oct 31, 2010
i am using the jquery multi day-plugin ([URL] and have a problem with inArray. here is my code
var arr = ['10.11.2010','11.11.2010'];
if ($.inArray(
[day.getDate(), (day.getMonth() + 1), day.getFullYear()].join('.'),
[code]....
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Sep 8, 2010
var toSearch = "I Wish This Worked. What Is The Issue?";
var pattern = /is/gi;
result = pattern.exec(toSearch);
alert(result.length); Shouldn't this be 4, not 1?
/*while((result = pattern.exec(toSearch)) != null)
alert(result[0] );*/
The commented out code works to access all instances of 'is'. But what's the point of returning an array if you're only going to use one index(0)? You'd have to manually code to get a full array of the returns, doesn't that defeat the purpose?
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Apr 24, 2011
I have an image sitting in a <td> tag, and I want the image to change every 5 seconds. I have a total of 3 images that I need to cycle, and I need it to go back to image1 after displaying image3 for 5 seconds.
I want to call the changeAd() function from the setInterval method within the startAdPAge() function because I am going to be adding more statements to the startAdPage() function, so the body onload event will call the startAdPage() function, which will in turn, call all the other functions.
I was using an if/else statement in the changeAd(), but that only changed between image1 and image2, so i am trying this array, but now it is not changing at all.
[Code]...
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Aug 3, 2006
I'm trying to do something, but I don't know if it's possible.
Basically, I want to have a public static class method that could
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The method would then access a private function from Class by doing
something like
function method(param) {
param.privateMethodOfClass();
}
I've done a lot research and experimentations but just can't come up
with a solution... I don't even know if what I'm trying to do is
possible.
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Sep 14, 2011
im trying to make a program that passes an array to a method. the method then finds the smallest number in the array and passes that number back to the main where its printed out. I am getting an error saying: "error: number cannot be resolved to a variable". I am using drjava. here is my code.
import java.util.*;
public class homeWorkTwo{
public static void main(String[] args)[code].....
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Aug 16, 2011
I have two methods and I would like to call somename1 method from within somename2 method. I have tried several ways to do so however I keep getting "TypeError" or "RefernceError" I have tried several ways to reference but I am still unable. What am I doing wrong. I would think this would be easy to do.
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Feb 24, 2010
Is the form below a valid method of changing the id of an XHTML element, specifically the one actually being referenced? It does not seem to work for me.
document.getElementById("Original_Name").setAttribute("id", "New_name");
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Mar 2, 2009
I want to create an associative array dynamically pulling the index values from an array (propertyArray); Associative array is created inside create function and then returned. But after it is returned, I cant use index names to retrieve values. It returns undefined as below code shows.
Code JavaScript:
var propertyArray=["a","b","c"];
function create(){
var array=[];
[code]....
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Jan 21, 2011
Modifying my code:
I have this C# code that is connecting to database and creating a array(list)
Code:
I'm trying to pass it to a javascript function so I can then pass it to a silverlight page so I was able to create this easy javascript that show a aleart box on startup of the list(array)
Code:
But I want to do something like this and can't get it:
Code:
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Feb 15, 2011
I am trying to understand somecode. I don't think I am understanding everything correctly. Can someone confirm or add to my understanding?
Here is the code, below is my explanation:
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I think if the div subnav is called and something is found in the array then the class dis is either added or removed. Then what? I don't understand why I still need the else that adds a class to #subnav_ +.target
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What is the correct syntax for an nested array where each array element has 3 elements, a number and two text strings?
Code:
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should the text strings be in double quotes("")?
Code:
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Apr 25, 2011
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Nov 3, 2010
I am working on a page where the user will select a location from a dynamically generated dropdown list. I was able to create the php multidimensional array (tested and working) from a MySql database using the users information at login, but I'm having problems converting it to a javascript multidimensional array. I need to be able to access variables that I can pass to a number of text fields within an html form.For instance, if a user belongs to a company with multiple addresses, I need to be able to let them select the address they need to prepopulate specific text fields.
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Jul 21, 2011
is this correct
var mid = math.floor((0 + array.length)/2)
from here you could use array.slice to divide the array into two equal sized arrays?
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Apr 10, 2010
This one is throwing me off! Either I am making a stupid mistake or I'm doing it totally wrong I have an array, and I am trying to select unique values from it and assign it to another array. Here is the code:
Code:
var flag;
for (i=0;i<=pdfs.length-1;i++)
{
flag = 1;
for (j=0;j<=pdfs2.length-1;j++)
[Code]...
The problem is that the if (pdfs2[j] == pdfs[i]) statement ends up never being true. There are URL's to pdf files in the array. On the other side, if there is a much easier way to select unique values from an array, please feel free to point it out.
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Sep 1, 2010
I am building a customised javascript prototype to sort an associative array on the array key (in ascending order). Basically, I am separating the array keys into a separate array and then using .sort() to sort the keys and then reassembling the original associative array elements according to the sorted keys array.
The sorting works ok except that when I run the test code below, the outputed sorted associative array has an extra element at the end of the array whose key is the name of the prototype function and the value for that element is the function code itself. Obviously I am misunderstanding something about associative arrays or how javascript prototypes work.
[Code]...
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Nov 19, 2011
I want to have a simple code such that some data is stored in array. When we create a search box it has to give suggestions from the data stored in array.
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May 6, 2007
I'd like to reorganize the third, fourth, fifth and sixth, as well as any
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Mar 26, 2010
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Code JavaScript:
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I'm then doing this to evaluate for each degree
Code JavaScript:
I need to first figure out how best to import all of these 60+ arrays and then in each of my conditions pull out each value and write to my page.
There is a unique 1 to 1 relationship between each degree and array so I can't consolidate as the values for each degree differ slightly.
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Mar 20, 2009
I am accepting an array, and a value of a variable to perform multiplication against my array, then write the product back into the array.
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Mar 8, 2010
how to accomplish this. In my website, I would like the user to input text into a single or multiple textbox(es) and then have the contents of the textbox(es) stored to either a variable or an array. Then I would like to have that variable/array compared to other arrays. Basically, the user is searching for items in a database. The user can search for as many or as little items as they want. Then the item(s) will be compared to multiple arrays to find out if what the user wants is in the database.
So for example, let's say the user is searching for recipes that have all or part of these ingredients: chicken, broccoli, lemon, honey. So, there would have been a total of 4 textboxes...one for each ingredient. These ingredients are stored to an array..lets call it ingredient(). In the database of recipes, each recipe has its own array which includes the ingredients needed to make the recipe, we'll call them tag1(), tag2(), and tag3(). Now, I want the array, ingredient(), to be compared to each of the "tag" arrays to see if any of the "tag" arrays include exactly match the ingredient() tag in part or in whole. Is this possible?
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Nov 12, 2010
I'm hoping this is possible or that there is an easier way to do this. I'm having an issue with displaying data from one array that contains information about users in a table that is controlled by a different array.Is it possible to do this or is this use of arrays to display the data the wrong approach?
The table is located on one webpage, I simply want to extract one piece of information that I have placed in the initial array as part of the login script that contains user information (for validation for login etc) and display it in a table on the new webpage that is opened as a result of successful validation of the user details. I'm completely stumped and after many attempts I just can't seem to get it to work.
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