If a function with multipe parameters has an event object as one parameter then how do we pass an event argument to that function without using inline function calling?
For example:
Code:
function key_pressed(ev,msg){
var keycode;
if (window.event){
ev = window.event;
[Code].....
I have used an object in the past as a function argument, but this was for a plugin that I wrote. Using it in the architecture of a plugin it worked. BUT, this time, I just want to write a normal function, but still use an object to set defaults and pass in changes to those defaults through as a param. Is this possible, or do I have to make this a jQuery function like $.myfunction() ?
[Code]...
I'm trying to make a quick and dirty mp3 player that plays whatever mp3 is in the URL, for example [url] would open the SWF mp3 player (I chose this one for its simplicity[url]) and play that song. However, nothing I've tried works. Could someone take a look at my code ? Please note that downloading the mp3 through newwindow() works perfectly.
View 3 Replies View Relatedhow to you use the result of a function as the argument for another function instead of passing the actual function to it. i.e.
function foo2(){}
function foo(func){}
foo(foo2);
This passes foo2 to foo, can I do foo(foo2()) ? i.e. is the difference between whether a function is passed or evaluated dependent on whether you use "()" after the function name?
how can I detect if mouse cursor is over or out of some element? I am running a animation, which I don't want to run or to stop itself if cursor gets to area.
View 3 Replies View RelatedIm having difficulty getting my form contents to send to my php page using ajax, jquery and json. The results just doesnt want to show.
My javascript, where I create the JSON object and try to send it through to the php page:
var JSONobj;
var JSONstr;
function createJSON(){
[code]....
What should happen is the firstname should be alerted. But the alert box doesnt even show and I find no errors using firebug...
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 } );
I'm relatively new to JS, but I have some experience with ActionScript. Can anybody explain this to me:
I define a function:
function myFunction () {something.....;}
And then I want to call it by a event handler:
document.onmousemove = myFunction();
it doesn't work. Why?
I know, that the correct syntax would be:
document.onmousemove = myFunction;
WITHOUT ANY PARAMETERS. Why is this correct?
And how is it possible to pass any parameters to my function (if it was pe.: myFunction(someParameter) {blabla.....;}
I might register an event like this:
var a = document.getElementById('elementid');
a.onclick = doSomething;
To keep the function from firing at registration, I assign 'a.onclick' to doSomething rather than doSomething(). Suppose the event I want to fire requires sending parameters to the function doSomething()? How can I send the parameters?
I have a function in which I manually send an argument which is the name of the ID calling on the function For example (this is placed in a simple onmouseover event within the DIV: rw_moveToTarget("The_ID_of_This_Div") And then the function looks like this:
[Code]...
I am building a firefox plugin which customizes Google Mail. I want a feature in it to automatically send email by a event raised by my plugin. This feature is required when I am on compose page but I don't want the user to hit the Send button.
View 3 Replies View RelatedCode:
<script ... javascript >
document.onmousemove=(hit_test);
function hit_test(evt)
{
if (!evt) evt = window.event;
if (evt) document.getElementById("a").innerHTML = evt.clientX;
}
</script >
which works nicely;
I understand that the 'event' object is a globally accessible object in IE but not in Mozilla; instead in Mozilla the 'event' object is sent, by default, as the first parameter in a call to a function; is this true? ...
I have several list items in an html document. Each list item has an anchor tag and each anchor has an 'onmouseover' event.
Is it possible to get the containing object for the event upon the mouseover?
I want each instance of an object to be able to listen for input events.
When the event occurs, a method of the object should be called, such
that "this" is in scope and refers to the object instance.
Is this possible? Example:
function MyConstructor(element)
{
//element is some HTML element
this.addListeners(element);
this.foo = "Bar";
return this;
}
MyConstructor.prototype.addListeners = function(element)
{
element.addEventListener("keypress", this.doSomething, true);
}
MyConstructor.prototype.doSomething = function(e)
{
alert(this.foo.length); //Error: this.foo has no properties
alert(this);
//shows the HTML element that triggered the event
}
Is there any way to get "this" to refer to the object in the event listener?
I have a JS method register in a TD element as below:
Below is the Js Method:
The JS method works fine in IE but in mozilla throws an error that event is undefined.
I cant pass the event object from HTML while registering the method as HTML is written by someone else and I cannot change that. All I can change is the JS method.
How can i access the event object in JS method.
This is my object elobj.
elobj=el.document.frames[fIDx].document.body
elobj.onresizeend=doElResizeEnd
When some one resize image element the doElResizeEnd function
start's .But I get "Require object" error from "var el= event.srcElement;"
function doElResizeEnd()
{
var el= event.srcElement;
if( el.type=='image')
{
alert(el.name)
alert(""+el.width)
alert(""+el.height)
}
alert("doElResizeEnd");
}
I can't set onclick event properly for OBJECT (flash) element properly. onclick just don't bubble outside flash object. Could this be caused by AS getUrl() function?
I tried to attach thru .htc, tried transparent IFRAME on top of object, etc. Nothing seems to work.
Is there any reasonable way to attach onclick to OBJECT element or flash movie by using JS or plain HTML? Should I do something for event bubbling?
If I have several links with onClick events pointing to the same function, how can I get a reference back to the link that was clicked? I'd like to change the link text after the onClick fires so the user knows something is happening, without having to create and assign id's to every link.
View 5 Replies View RelatedI'm trying to build a Validation object, where you pass an object id and event name in the constructor. Then, you call an add_rule method to add validation rules. The constructor code looks something like:
function Validation(id, event, ...)
{
this.object = document.all[id];
this.event = event;
var obj = this.object;
obj[event] = this.validate;
}
So the actual validation function is dynamically bound to the appropriate event. The problem is that when the validate method is called, "this" no longer refers to the Validation object; it refers to the object to whose event it was bound. So, for instance, in the following code, the validate function's "this" refers to frmSubmit, not objValidate:
objValidate = new Validation ("frmSubmit", "onsubmit", ...);
Of course, I need to refer to the actual validation object's properties, but I can't figure out how. Any suggestions?
i am trying to load/embed pdf inside a html object tag. since loadng of pdf content takes time, I want to capture onload complete event of object tag and take some action/msg to show usr that loading is complete. but i am not able to capture onload event of object tag. i get pdf content from an aspx page in bytestream and set it as data in object tag:
JS:
function loadObjectsuccess() {
alert('pdf has loaded now');
[code]....
THE QUESTION: How do I get a reference to my Object when processing an
event handler bound to an html element ?
CONTEXT:
Sorry if it is a bit long.
I am developing a JS calendar tool. One of the requirements is that the
calendar will need to display a varying number of months (1..3)
depending on the calling page. Imagine 1, 2 or 3 calendar pages side by
side as required.
I have built a grid object that will contain one month's dates with the
day names at the top. The calendar object inherits the grid object as an
array of "calendar pages" - one grid per month and the calendar provides
the content for each grid. I will use the grid object for another
completely different object later and so I want to use good OOP
encapsulation. The grid is a table generated on the fly and is "dumb" as
far as what it is used for.
I have attached an onlick event to each cell of the grid. Using OOP
priciples I want the calling program (the calendar object in this case)
to provide a function to handle the click and the grid object will
provide to the calendar the row and column of that cell as well as the
grid number (so the calendar can work out which date was clicked since
it knows what the data means and the grid doesnt). Code:
Trying to figure out what was happening in a snippet in the jQuery docs. The snippet I refer to is here , documenting event objects.
The code:
Has me a tad confused. I know that e is an event object that calls keydown event for keycode 64 but what I am unsure of is how it is being triggered. There is no context to it, if you use .trigger() that way is the event called upon the loading of the object? If not when is .trigger() being called?
i'm from germany and i'm new to jQuery so i hope i can explain my problem in a right way...
I'm reading some data from a xml file with ajax and i'm creating a list of this data pieces. Now i want to do something whenever you click on an item of that list.I think i'll just show you some of my code:
[Code]...
At first i create a list with id="liste" and add list items from the xml file to it. Then i want the script to call function getInfos() when you click on an item. But it does not work like this.
How to findwhichevent calling in DOM object usingjQuery?
For example below the HTML code.
<html>
<head>
<script
src
[Code].....
Above code how to find which function or event calling in the button DOM Object.
I have a custom function:
function myFunc(o){
o.css("color","red");
}
and then I have a jQuery event like this:
$("myButton").mouseenter(function(e){
myFunc(this);
});
How can i pass the element to the custom function and then do all the jQuery manipulation from there?
Ok. How about if I create a new object?
how to create a new object each time there's a new onclick event?