ActionScript 3.0 :: Check When String Is Empty?
Apr 19, 2010How to check if a string is empty?
View 3 RepliesHow to check if a string is empty?
View 3 RepliesIs there a static property in Action similar to that in the String object in .net to check if a string is empty, that is String.Empty.
View 2 RepliesI have 3 input texts on the stage.
money_input
percent_input
years_input
what I want after pressing the button (calculate_btn)is to get thees values entered from these input texts into 3 vaiables.
var $money
var $percent
var $years
and check if the inputs are numbers only not string not empty. I tried to convert the inputs to numbers to insure that they are numbers without making a function to check the inputs but always I get NaN when I entr value like 444bb;
ActionScript Code:
error_txt.text = "Enter some values to calculate your loan";
//--------Make the button listener----------//[code].........
I have a multiple choice quiz designed for a client. I have an array that works thruout the questions, that if the user answers incorrectly, it stores the question number in the array. When the user reaches the end of the quiz, I dont want this array to always display at the end, since the user could have all the asnwers correct (which means the array should be empty). I am trying to make an if else statement that will display a different message if the array is empty.[code]...
View 3 RepliesI want to check in my function if a passed argument of type object is empty or not. Sometimes it is empty but still not null thus I can not rely on null condition. Is there some property like 'length'/'size' for flex objects which I can use here.
View 6 RepliesIf I have an XMLList object in Flex, what is the proper way to check to see if the list is empty? Should I just compare the result of myList.length() > 0, myList.toString() != "" or try another method altogether?
View 1 RepliesI have a code to erase a masked movieclip. I would like to know how I can check if the whole movieclip is been erased. So I thought I had to check if the BitmapData is empty. How can I check if every pixel of the movieclip has been erased?
if (erasableBitmapData = empty){
trace("empty")
} var lineSize:Number=40;
var doDraw:Boolean=false;
var resumeDrawing:Boolean=false;
[Code] .....
I am looking for a way to check if any sting of the Array is matched to the string that in the TextField. In the code it should be something like that:
Code:
var TestString:Array = new Array ("chicken", "cat", "dog");
function LookStringArray(){
if (TestArrayTextfield_txt.text == (anyString.TestString)){
[code]....
I'm trying to make a login. How do I check to see if anything at all is typed in the string.
View 1 Replieschecking an XML file for a specific node.
Example:
<vid
flv="videoName"
thumb="thumbnail.jpg"
title="Video Title"
[code]....
The first vid node contains a path to a logo graphic, I then need to check in my ActionScript if there is a logo there or not, and to do something if there is(display the logo) I can trace out the logo path so I thought I could run a simple if/else to check if there is anything in that node and if so to do something:
private function thumbOver(e:MouseEvent = null):void
{
trace("
");
[code]....
Now I've tried everything, but it will always trace out "Does have a logo" no matter what I do. I tried:
if (tabData[tabID].video[e.target.id].@logo == "")
if (tabData[tabID].video[e.target.id].@logo == null)
However I get the same results?
I installed said program but whenever I add users, it says they were added successfully and exist in CMD.However when I check the users.dat file it is empty. When I try Live Encoder it says the user does not exist.
View 10 RepliesIs there a simple way to check if an associative array has anything in it whatsoever? Not looking for a specific key/value, but rather if there's *anything* in it, similar to checking if a normal array is empty by checking it's 'length'.
View 12 RepliesI have a button on stage which has a child menu movieclip and that movieclip has three submenu button children.On each of these 3rd level buttons an event listener draws a new container on the stage and adds a new movieClip holding various info.This all works nicely, but I cannot work out a way to get an eventListener on the menu buttons to check if the container already exists so I can then stop the button repeating the add container function. So, at the moment you can repeatedly hit any of these menu buttons and they will just continue to add info movieClip children.I've tried some nice Boolean commands that should work, but I think it's the nesting of the children/relationships that are not allowing me to get this to work.So, basically for arguments sake, let's say I only have one of each item... here's the nesting of children:[code]
View 14 RepliesI want to check if an input text field is empty. I only managed to do it this way;
mytext = textfield.text;
if(mytext != "") .....
The problem with this approach is that I also want to exclude variables with whitespaces.
I tried; if(!isEmpty(mytext) )..... but that didnt work.
How can I check if a string contains another string in flash / Actionscript 3 ?
View 1 RepliesHere is my code:
<mx:ComboBox prompt="" editable="true" dataProvider="{tableSelector.list}"/>
When this code executes, flex just sets the selectedIndex to 0 and displays the first item in the dataProvider instead of leaving the text and prompt as the empty string "". How do I get around this? I need the text property to be "" unless the user selects another item in the combobox.
I'm making some kind of rssreader right now... everything goes really well but the only thing is that when i read data from xml i get some empty lines in my text. like this:BAJKONOER - De Europese ruimtevaartorganisatie ESA heeftwoensdagochtend de Europese ruimtesonde Venus Express gelanceerdit just stops after "heeft"... it seems like a normal return... but how do i get it out of my string?
View 3 RepliesCode 2 assume that main = main + sub even if it doesn't exist outside the if statement, that's obvious since sub is an empty string.
[Code]....
I am using a s:TextInput in Flex 4.5. It shows it's prompt text if the underlying text value is null or empty String. Does anybody know if I can make either don't show the prompt on empty String or even show a different prompt?
View 1 RepliesIn Actionscript 3.0, how do I check if var myObject:Object is functionally identical to {}? I take it I can't do ...
[Code]...
I would like to know a simple way to check if a string contains numbers 0 to 9. Ideally, a function I could pass strings to for checking.
View 4 RepliesGood technigue for finding out if a string has any letters?I'm not looking for a specific letter, I just want to search a string and find out if it has any letters.
View 2 RepliesIf i had a string "2 cats", how could i use a loop andif statement to check if there is a number in there
I have this so far:
for (var i:Number=0; i<string.length; i++){
if(equation.charCodeAt(i) <= 57)
{if(equation.charCodeAt(i) >= 48)
[Code]....
It does work, but is there a more efficent qway of doing this?
Wondering how I can check an input box to make sure it contains a specific email address
I need it placed on my submit button that has an instance name of submitMC
How would I check for example if the input box contained @gmail.com
If @gmail.com is true something A happens. If it's not found something B happens.
I have a regular expression in my code. What I want it to do is to check user input. This input should be a string of 9 numbers with spaces between them. So for example "1 2 3 4 5 6 7 8 9" should return true, but also "123 45 2765 23 3456 23 5 456 1" should be true. [code]My problem is that if the strong with number is longer, the usual test method still returns a true. Is there a way to check if the string is longer then this?
View 3 RepliesI want to check to see if a string is in an array, so basically:
If (string1 == [any item in array]) {
// do something.
}
But I am not sure how to write it..
I am looking for a way to check if any sting of the Array is matched to the string that in the TextField. In the code it should be something like that [code]...
View 2 RepliesI am developing an application in AS3 for Android devices and I am choosing to use XML for setting storage...
Unfortunately I have been able to test using the contains method whether there is the correct text in the XML file I have tried to use this...
Code:
var updates:Boolean = true;
var k:Number = 0
for(k = 0; k < 6; k++){
if(localXML.Party[k]){
[Code].....
I'm new to actionscript and i cant seem to get the regex syntax right in actionscript3. The task is straight forward, i want to make sure that the first two characters in a given string are alphabets and nothing else.[code]
View 2 Repliesi want to know how to check if a string is in an input field, so it returns a boolean. I know the answer will be simple and i tried googling it but nothing helpful came up.
View 4 Replies