Regexp Test Function Behavior
Oct 29, 2006
I coudn't understand some behavior of RegExp.test function.
Example html code:
----------------
<html><head></head><body><script type="text/javascript">
var r = /^https?:///g;
document.write( [
r.test('http://a'),
r.test('http://b'),
r.test('http://c'),
r.test('http://d')
]);
</script></body></html>
---------------------
The page displays true, false, true, false. (in Opera, Firefox and IE)
This is strange because I expected it would display true, true, true,
true. There must be something I didn't know about the function
RegExp.test.
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Jul 20, 2005
I used the following script to allow me to bring up a list of events
for a given year by simply hovering the mouse over the filename. As
follows --
<script Language="JavaScript">
function winopen1(){
msg1=open
("","WINDOW1","toolbar=no,location=no,directories=no,status=no,me nubar=no,scrollbars=no,resizable=no,copyhistory=no ,width=550,height=200");
msg1.location="1989H.htm"}
</Script>
Then....
<a href="1989H.htm" onMouseOver="winopen1();return true;"
onMouseOut="msg1.close();return true;">1989</a></font></td>
This is one example .... this is repeated about 20 times in the
program, one for each year of our history...
It works fine ... but not on all the browsers in our office. Most work
fine ... others (all IE) work fine on some dates; other dates, when
you hover, flash a blank page repeatedly until you move the mouse
away; almost as though it is looping ...
I notice that "about:blank" flashes briefly before the called page
comes up ... but that appears to be normal.... I have checked and
rechecked all coding, all brackets and semi-colons ... and it works
perfectly -- for me and for a few others.
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Aug 10, 2010
I'm finally diving into regexp by porting a perl script over to js that uses regexp to compress javascript into a bookmarklet capable format.I've successfully worked out 90% of the expressions but am troubled with a few, this one at the moment is odd:I want to remove the first line if it hasjavascript:So I thought str.replace(/^javascripts+:s+/, "") would be ok. I want javascript text, any space, colon, any space and new line. what I'm doing wrong.btw this is the original perl version
$src =~ s{^// ?javascript.+:.+
}{};
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Apr 22, 2007
What is the best way to execute a function when the user clicks and holds an element for, say, 3 seconds? A Google search didn't reveal anything, but I couldn't really come up with a concise search query either. The only way I can think of is setting a timeout onclick, and clearing it onmouseup. Is this the best method?
On a somewhat related note, I am trying to check if the user has entered a valid time, in the form (m)m:ss, where the first m is optional. I decided to use a regular expression. (Is that the best way?) So far I have come up with [0-5][0-9]:[0-5][0-9], however, this allows other characters at the beginning or end of the string, as well as forcing the first character. If I change the first character to [0-5]?, it makes the first character optional but it allows times that don't meet that requirement - which basically defeats the purpose of having that rule at all.
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Jun 10, 2009
is it possible to combine the the following functions with each other in an array for example and if so, would someone be kind enough to show me how. the reasons are 1. to see if it is at all possible and 2. to learn so that I can combine further possibilities in the future. the first script compares user keywords from search mashines and the second replaces certain strings/paterns with others.
[Code]...
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Jan 19, 2007
I found this in felgall's page. I added script tag
<script type="text/javascript">
var re = /(t)he/g;
var mystring = "Over the moon.";
re.text(mystring);
alert(RegExp.input); // or RegExp.$_
alert(RegExp.leftContext); // or RegExp["$`"]
alert(RegExp.rightContext); // or RegExp["$'"]
alert(RegExp.lastMatch); // or RegExp["$&"]
alert(RegExp.lastParen); // or RegExp["$+"]
alert(re.source);
</script>
I don't see message box. Please tell me what I can do.
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Mar 14, 2009
I'm using the standard module pattern and the problem is once you set a private variable, trying to test that object independently becomes a nightmare as the next test is polluted by the actions of the previous.So, the options are to have some reset method (which is horrible), setters on everything (defeats the point) or delete object and re-load script (hideous).
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Dec 9, 2006
I am creating a simon says game, the game is based on 4 images (each has an opposite) when the game begins one of the image randomly flashes, the flash is between itself and its opposite (day and night). the user is then to mimic that flash by clicking on that image. If he clicks in that image then i want the move to be correct or 'true' if he clicks on another image i want the move to be incorrect 'false'. if false he will be redirected to an alert box thats says game over, if true then 2 of the images then flash as opposed to only one, again randomly. I am unsure how to test if it is correct or incorrect and then if correct get 2 of the images to flash randomly and so on. Can anyone help? please? here is what i have so far:
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May 30, 2010
I want to pass two parameters on button "b" click. how to pass parameters on b.onclick = test function?
function test(x, y){
alert(y);
}
var b = document.getElementById('b');
b.onclick = test; //how to pass x and y parameter?
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Mar 22, 2010
HAVE CLIENT-SIDE FORM COOKIE GET AND SET FUNCTIONS IN THE SECOND WINDOW DOCUMENT EXTERNAL JS.FILE OF A DUMY TEST SITE FOLDER ON MYCOMPUTER. IE8 THROWS 'SYNTAX ERROR' ON THE 'WINDOW.LOAD=FUNCTION, FIRST COOKIE FUNCTION HIGHLIGHTED'. CAN I ACTUALLY TEST COOKIES ON A TEST SITE ON MY COMPUTER WITHOUT THE SERVER (MYCOMPUTER) OR A DOMAIN NAME? YEAH NO HECKLING FROM THE PEANUT GALLERY.[code]...
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Jul 28, 2011
I'm trying to call a Js function from a test.js located in a HTML file.
I'm getting error message "Object has no method..." in Chrome. But no issues are seen in Firefox.
<html>
<head>
<div>
[Code]...
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Jan 8, 2010
I want to write a plugin, say 'myPlugin' which I can use like
Code:
$('#myID').myPlugin() ;
$('#myID').myPlugin.test() ;
The plugin I wrote looks like
Code:
(function($){
$.fn.myPlugin = function() {
// do something
} $.fn.myPlugin.test = function() {
var $this = $(this) ;
// do something ;
}})(jQuery) ;
This works and it doesn't work. It works because test() is called, but this is not the element with id '#myID' it is $.fn.myPlugin. To fix this I tried the following
Code:
(function($){
$.fn.myPlugin = function() {
// do something
} $.fn.myPlugin.prototype.test = function() {
var $this = $(this) ;
// do something ;
}})(jQuery) ;
but now the function 'test' is unknown.
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Jan 23, 2011
why the string comparison test doesn't work in this javascript function? It works if you use just text between the currentItem div tags, but not when you use html for an image. I even tried to use iso characters instead of angle brackets, as in "<img src=expand.png></img>" and still no dice. Why not?
<html>
<head></head>
<body>
<script language="JavaScript">
function toggleValue()
{
if(document.getElementById("currentItem").innerHTML != "<img src=expand.png></img>")
{
[Code].....
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Aug 29, 2011
here when i click the test button it will create a new test button inside div tag.But after that if i clicked new generated test button document.getElementById("test" ).onclick = function() is not working.how can i add functions to new dynamically created fields?
<div id="a" >
</div>
<input type="button" value="Test" id="test" class="form-submit"/>
when i click the test button it will create a new test button inside div tag
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Nov 1, 2011
<html>
<head>
<script type="text/javascript">
var a = january
var b = febuary
var c = march
function test()
[Code]...
I tried to explain it pretty well in the comment tags
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Jul 23, 2005
I've got a div, and it has an onMouseOver handler attached to it which makes a second div visible. The second div shares part of one side with the first, but not all.
The first div also has an onMouseOut handler which, you guessed it, makes the second div invisible.
However, if the user rolls out of the first div and into the second, I'd like to keep the second div visible. Any ideas how to accomplish this?
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Jun 27, 2009
My question is regarding the behavior of Supersubs in IE6. It seems to adjust to the correct width, but, it applies the new width to all of
the parent UL's of the widest LI. In IE7 and FF the new width is only applied to the containing UL of the LI.
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Oct 4, 2010
The .find() method does not seem to match on input fields by using a class. The ti This problem seems to be only visible on input fields. The following is a demonstration of the issue:
Example at [url]
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Jul 23, 2005
Is there a way, besides writing another method, to make Date.setMonth() do something more useful than nothing when the month in question creates an invalid date? If I try
d=new Date();
d.setMonth( 1 );
today, I'd really like to get some kind of an error rather than silent failure.
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Nov 30, 2005
I have a table that changes its cell (input text) colors when their contents
have changed (actually on keypress) and shows a couple of buttons
automatically, UDPATE and CANCEL. This works partially, though detecting
enter and escape doesn't seem to work, or parhaps calling the button click
events directly doesn't (see below).
In addition to getting the ENTER and ESC keypresses to fire their
appropriate button clicks, I need to be able to collect information on which
cells have changed, so on the page loading again I can read this
information, perhaps from a hidden field, to use to update a database
server-side.
<script language=javascript>
function GirdTextKeyPress(txtID, btnsContainerlID, btnUpdateID, btnCancelID)
{
var txt = document.getElementById(txtID);
txt.className = 'GridChanged'
var bc = document.getElementById(btnsContainerlID);
bc.style.display = 'inline'
var btnUpdate = document.getElementById(btnsContainerlID);
if (event.keyCode == 13)
{
event.returnValue=false;
event.cancelBubble = true;
btnUpdate.click();
}
var btnCancel = document.getElementById(btnCancelID)
if (event.keyCode == 61)
{
event.returnValue=false;
event.cancelBubble = true;
btnCancel.click();
}
}
</script>
<style>
Input.Grid
{
border-style:none;
}
Input.GridChanged
{
background-Color:Yellow
}
</style>
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Aug 3, 2006
Normally, a button like <input type="image"is also a submit button.
Is there any way to override that so that it has an onclick event but
does not submit the form?
For what I'm trying to do, I cannot use an <imgelement with onclick.
I have to use a form element (and I'd rather have an image than a
button)
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Jul 20, 2005
I expect to see "foo" for the 2nd alert. Instead, the value of select is
cleared. Am I missing something?
<html>
<head><title>Foo</title>
<script language="javascript">
<!--
function foo()
{
alert('Before change: ' + document.control.titleFont.value);
document.control.titleFont.value = 'foo'
alert('After change: ' + document.control.titleFont.value);
}
-->
</script>
</head>
<body>
<form name="control" method="POST">
<select name="titleFont">
<option value="sans-serif">Arial</option>
<option value="serif">Times</option>
</select>
<input type="submit" name="control" value="Submit" onclick="return
foo()"/>
</form>
</body>
</html>
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Jul 20, 2005
I've been working with a page that should act as a 'jump page' before
loading a PDF and when I use the location.replace function to replace
the jump page with the resulting PDF, both the jump page and the pdf
show up into the browser history (in IE only) leading to the dreaded
back-button loop. Code:
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Jul 20, 2005
I want to call a JS function when Enter is pressed inside the form, and when the submit button is clicked I want to submit the form. Any simple way for doing this?
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Mar 11, 2003
i'm sure its been thought of before and i'm sure this is just gunna piss off the people who like to tab through their pages, but i just made a little behavior component file that stops any links from gaining focus on your page.
put this is the style section of your page.
<style type="text/css">
a { behavior: url("hidefocus.htc"); }
</style>
then put the attached file in the same dir. (hidefocus.htc) this is all it is
<public:component>
<public:attach event="onfocus" handler="blurry" />
<script>
function blurry() {
element.blur();
}
</script>
</public:component>
Note: since this behavior is stored in an external file, sometimes one instance of link focus can occur before the htc file can be loaded. if anyone has any tips on fixing that i'd like to hear'em.
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Feb 6, 2009
I have a drop down menu on my page, works. Then I went to add another ddm, doesn't work when on page, but works independently . DW creates a file called mm_menu.js. I am sure the problem is here, but I don't know what to change. Might anyone here know what I am talking about/had this prob before?
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