Missing Name After Operator Delete Keyword
Nov 13, 2010this.delete = function(obj){
..
Is that it ? I can't have delete ? Or can this be written in some other way, including delete ?
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Deselecting A Checkbox - Error "complaining About Missing A Semicolon After The "document" Keyword"
Aug 27, 2010I have the following html code: Quote:
<input type=checkbox name="32621_A_11203" onclick="document.attendance.3262111203.disable=true"> Absent
<br><input type=checkbox name="3262111203"> Present
When I select the first ceckbox I receive an error complaining about missing a semicolon after the "document" keyword.
Jquery :: Delete With Clickable And Click Delete Button?
May 20, 2011jquery and a button delete, for remove rows of database.The problem is that I do not know how must input checkbox by clickable with click delete button sent to php code?my jquery code:
PHP Code:
$("#tableeven tr")
.mouseover(function()
[code]....
NOT IN / IN Operator
Aug 6, 2007Just wonder whether jaavscript can perform the NOT IN / IN as below:
if form.mytext.value NOT IN ("MYTEXT") {
alert("Mytext");
}
I did try, but not alert is displayed ad not error shown as well.
Mac IE Ternary Operator?
Jul 23, 2005I don't actually have a mac with which to test this, but I'm informed
by a colleague that one of my scripts has failed in IE on the Mac;
endless twiddling seems to point to the ternary operator as culprit.
I asked him to check that javascript:alert(true?"Yes":"No"); gave an
alert when pasted into the address bar and he's reported that it does
not.
javascript:alert("someString"); works quite happily.
Can anyone confirm this bug or help narrow it to a single version? It
seems a fairly large bug to have gone so under-reported, gooooogling
for "mac ie ternary operator" doesn't return anything helpful.
New Operator As A Method
Aug 13, 2005Is there any way to call the new operator as a method (function)? The
reason is that I've got IE as a COM object (Imagine I've brought up IE
using VB) and it's easy to call every method of any DOM element
(including window). But if I want to create a new object, then it's
more complicated. Of course I could always execute js code (using
window.execScript) which will create the object and save it as a
variable on the window object and then pick it up from the COM creator,
but really...
Consider the following page snippet which nicely adds an option to the
empty select element. Of course, I could use the W3C createElement,
addChild, muckWithDOM approach to avoid the execScript, but both of
these are going to add huge amounts of time and substantial complexity
to an otherwise one liner:
<form method=pos action=''>
<select name=sel id=sel></select>
<script type='text/javascript'>
var sel=document.getElementById('sel');
sel.options[0] = new window.Option("foo", "bar");
</script>
</form>
Can't I do something like
window.Option.newInstance("foo", "bar")
in place of the
new window.Option("foo", "bar") ?
How To Increment Without A ++ Operator?
Jul 30, 2002I have a for loop and would like to increment a variable for (let's say) 2 instead of one (++). How can I do that?
I have tried for instance x + 2 instead of x++ but when I try it in IE an error saying that a script is making IE to run slowly and then nothing happens. So how to do this?
Special Operator About Function
Dec 14, 2006<script>
var sd=function(){
return{
f1:function(){
alert('f1');
},
f2:function(){
alert('f2');
}
}
}();
sd.f2();
</script>
when execute sd.f2();it will alert f1,who can tell me why?
'in' Operator And Feature Detection Technique...
Feb 9, 2006We all know that feature detection technique works from very beggining
of user-agents supporting JavaScript. We can alway check if eg.
document has a write property or smth else:
if(document.write) {
}
We could do that for all of objects, so i have been surprised when i
found 'in' operator, which for above example would be used like this:
if("write" in document) {
}
So i have questioned myself what for ? I can always do:
if(document["write"]) {
}
or even
var prop = [...];
if(document[prop]) {
}
which is supported better then 'in' operator ('in' is supported since
W. IE 5.5 and NN 6 - around 2000 year). I can only guess that 'in' was
provided in W. IE 5.5 only for convenience... but that is my guess and
someone more knowlegable could write here some more opinions on this
operator...
Pass Operator As Variable Without Eval?
Mar 10, 2010How you might achieve the following without using eval()? I've come up a bit short:
function addOrSubtract(operator) {
var a = 10;
var b = 5;
var answer = eval(a + operator + b);
alert(answer);
}
addOrSubtract('+') // alerts 15
addOrSubtract('-') // alerts 5
Statement Faster Than The Ternary Operator?
May 20, 2009I'd like to know which is faster or have a better performance between :
Code JavaScript:
if (flag) {
var v = "something";
} else {
var v = "else";
[Code]...
JQuery :: Combine 2 Click Events With Operator ||?
Sep 23, 2011I want to combine two click events to one function.Is there a syntax way like when you click this or you click that do something [code]
View 1 Replies View RelatedAND Operator - Alert Not Shown When Values Selected
Feb 25, 2009I am trying to run some code that will check if the user enters two values from 'depart' and 'arrival' select lists that would make up an invalid journey:
var cdate, ctime, cdepart, carrive, cname;
with(window.document.example) {
cdate = date;
ctime = time;
cdepart = depart;
carrive = arrive;
cname = name;
}
if(trim(cdepart.value) == 'Uptown' && trim(carrive.value) == 'Downtown'){
alert('invalid journey');
cdepart.focus();
return false;
}function trim(str){
return str.replace(/^s+|s+$/g,'');
}
However when I select the values the alert is not shown? I think My syntax is okay, maybe not?
Ternary Operator Syntax And Case Condition
Aug 22, 2010It's well know that the ternary operator syntax is something like so:
Code:
(test) ? true doThis : false doThat
Suppose that in case condition is false we want do nothing. How to code "do nothing"? May I let it blank or there are an appropriate syntax?
Logical Operator Not Working - How To Make It Work
Jul 14, 2010What kind of logical error am I making? I want the alert(); to execute if both of the variables (cjob and czip) are blank, but the only way I can get it to work is if I replace && with ||.
if(trim(cjob.value) && trim(czip.value) == '')
{
alert('Hello');
}
Modulus Operator Is Not Working If Give Number More Than 24 Digits
Dec 7, 2009If number is more than 24 digits, modulus operator is not giving correct output [code]...
Default Operator ( || ) Doesn't Work With Empty Array?
Aug 13, 2010anotherVar should be -1 if there are no matches, but it doesn't seem to work var string = "abadafa"; var matches = string.match(/a/gi); //doesn't work with /z/ for example
var anotherVar = matches.length || -1; The default operator should return the second value if the first is null or false, and according to try { alert(matches.length);
}
catch (e){
alert(e); //alerts null
} it's null.
fyi: http://helephant.com/2008/12/javascript-null-or-default-operator/
Settimeout And This Keyword
Apr 3, 2007I am modifying the suckerfish dropdown code to use settimeout to have
a slight pause before the menus disappear to make it more user
friendly. I have hit a snag with the following statement:
li.
{
timerID=setTimeout('this.getElementsByTagName("UL")
[0].style.display = "none"', timecount);
}
If I put take the statement
this.getElementsByTagName("UL")[0].style.display = "none";
out of the settimeout function, it works. (w/o the pause, obviously).
With the settimeout function, I get "this.getElementByTagName is not a
function" error.
I have tried putting this.getElementsByTagName("UL")[0] is a variable
and then using that in the settimeout function, but then each li will
only open the very last menu in the list. (ie all the menu items open
the last sub menu) Code:
Searching For A Keyword?
Aug 19, 2009I've been searching google endlessly and I've come to the conclusion I'm not using the proper search keywords. I'm trying to create something similar to the banner/button combo you can find here:[URL]..
I assume these type of slide show buttons combos use java script and possibly php. If anyone knows the proper name for this type of slide show or can point me to some scripting
Grab The 'this' Keyword Position
Sep 8, 2006Is there a way to find which element in an object array the keyword 'this'
is acting upon?
For example:
function doMe(){
var aTags = document.getElementById("list").getElementsByTagName("a");
for (var i=0; i<aTags.length; i++) {
aTags[i].onclick=function() {
this.className = "myClass";
}
}
}
Inside of this function is there a way to determine where in the array this
'this' is and return the integer?
var theID = this.somethingOrOtherThatWouldGiveMeTheNumber;
var elementID = document.getElementById("myDiv"+theID);
JQuery :: Use Of This Keyword With And Without String
Aug 29, 2011I was reading thegetting started with jquery. And got confused with use of this in these 2 code segments.
$(document).ready(function() {
$("#orderedlist").find("li").each(function(i) {
$(this).append( " BAM! " + i );
});
});
$(document).ready(function() {
// use this to reset several forms at once
$("#reset").click(function() {
$("form").each(function() {
this.reset();
});
});
When do we need $(this) and this? And what is the difference between them?
Use Script To Grab Keyword?
May 28, 2009Would like to check if there is anyway where i can use javascript to grab the keyword of .doc and .pdf file.
because when i right-click on the files, and click on properties. there will be a tab at the top (Summary for .doc and PDF for .pdf), and upon clickin there will the description, author and keywords. so im just wondering if there is any way to grab the value?
Keyword - Modify The Src Attribute ?
Feb 12, 2011I'm trying to get the following function to work:
When called like so:
I could just give each image an ID and not use the 'this' keyword, but I haven't used it much so I'm curious about it. It's sending the image element to the function, so why can't I modify the src attribute with that information?
Keyword In Callback Within Object.
Apr 27, 2007I'm creating a list with buttons that show and hide some of the list elements to create the effect of scrolling. I've built an scrollList object so I can apply this to any list. When you create the object and pass it the id of the <ul> and how many items of the list you want to be displayed. It will add the scroll down and scroll up links and add an Event.observe to them (I'm using the Prototype library).
This code creates the object
var main_news_articles;
main_news_articles = new scrollList('main_news_articles', 5);
main_news_articles.init();
The problem I am having is with the callback functions of the onclick event of the links (scrollUp and scrollDown). The this keyword within these functions is refering to the link and not the object.
To try and solve this I've made the title attribute of the link the same as the variable name of the scrollList object. I can reference the scrollList object like so Code:
JQuery :: Add Css Id To Li Link Dependant Upon Keyword In Url?
Sep 19, 2009I've just started learning jquery and have been trying to use this code which I found on this forum.I want to detect some text (addClients) in the url and add an css id to a list item with the class m1 (li class="m1") - so I get (li class="m1" id="expanded"):
This is what I have so far (which is not working)$(function() {
$(document).ready(function() {
var url = location.pathname;
[code].....
JQuery :: Detect Keyword And Add Class?
May 30, 2010I want detect if the column has red or blue, add the class on it, it's like
[Code]...
but I want every column 2 below red column and column 3 below blue also add the same css, how to do it?