JQuery :: Finding Surrounding Text At Mouse Position?
Sep 3, 2010
I am hoping you can help me. I am finding this problem rather complex to solve. I need to be able to find the surrounding text at the mouse position. For example, if a user clicks on a word in a paragraph, I need to programmatically know what the text is surrounding the click point. The text in question is not just content text, but DOM elements read in as text rather than the DOM element itself. For example, if a user clicks at the word "This" in the following:
<table><tr><td>This is good</td></tr> then I would like to know how to get the text "<td>" just before the "This" as text, not as a DOM element. Furthermore, how can I "enlargen" the scope of my capture, such that I can programmatically get the "<table><tr><td>" part as well as the "is good</td></tr>" part?
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Feb 16, 2006
Question 1
----------------
I am writing an advanced BBCode system for my forums and I would like
to be able to find where the cursor was positioned last in the text so
I could insert the BBCode there.
Question 2
----------------
Again I am writing an advanced BBCode system for my forums and I would
like to make is so that when someone puts in a [b] tag it goes bold, so
kind of a WYSIWYG editor and also for other things like [img] tags and
[url] tags. So could someone tell me how to do that. I would preferably
like it to still use the textarea tag, or at least a form component so
my existing code works.
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Jan 1, 2003
Just a quick 10-minute thing I whipped up out of boredom:
In Mozilla, every textarea now has:
surroundSelection(leftstr, rightstr)
and insertAtSelection(str)
methods.
In IE, you need to explicitly give textareas those methods by:
ExtendTextArea(refToTextArea)
And now that textarea has those same methods.
I see this question asked enough that I thought it might be useful enough to post this.
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Sep 28, 2005
How can I get the position of an element such as a div?
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Sep 8, 2010
I've been trying the find the (x,y) co-ordinates of an element. I've been using;
document.getElementById(element).style.top
document.getElementById(element).style.left
However this doesn't always work in my script. Now, I've googled how to find the position of an element. And come accross many scripts which supposedly all find the position of any object. Some are very long scripts and some are very short all using a variety of methods. Incidently none of which work, they all return (0,0).
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Aug 31, 2005
I am trying to dynamically find the position of an anchor on the page. I have a page where you can get to the anchor in the normal way (http://www.mypage.com/index.html#anchorname), but there is a script on that page that adds fields dynamically. This causes IE to lose the place where it was supposed to scroll to (via the anchor).
After the fields are added, I want to rescroll to the location of the anchor. Here is the code that I have running on the page. Code:
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Sep 30, 2005
I got a script from brothercake which gets the absolute position for an element. Its pretty neat - recursively adding up offsets. I got it from the image transition scripts on his site.
However, this script uses offsetTop, offsetLeft and offsetParent, which dont seem to be supported by FireFox (or maybe I'm doing something wrong).
Here's brothercake's script:
getRealPosition = function()
{
this.pos = (arguments[1] == 'x') ? arguments[0].offsetLeft : arguments[0].offsetTop;
this.tmp = arguments[0].offsetParent;
while(this.tmp != null)
{
this.pos += (arguments[1] == 'x') ? this.tmp.offsetLeft : this.tmp.offsetTop;
this.tmp = this.tmp.offsetParent;
}
return this.pos;
}
It seems to work for Opera and IE - but not FF. Cant say for other browsers. I've come to rely on it for a part of my 'cross-browser' page. Any thoughts on what I can do?
What I can't figure out is why it seems to work fine on brothercake's site - even in FireFox. I'm supposing that the positioning script must be working because the images appear in the right spot.
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Sep 7, 2010
I have generated menus from an XML file. The XML also defines sub menus that are to open when the mouse is over any one of the menus.The menus are div tags with text in them. The location of each is based on the order that they added in and the width of the text with some padding.When the users mouse moves over the menu item it should pop up a sub menu at a relative position to the menu item.How do I get that position and width of the menu the user is over if it has never been set explicitly? Is there a way or not? If not what is the best solution for something like this?
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Sep 8, 2010
I've been trying the find the (x,y) co-ordinates of an element. I've been using;
Code:
document.getElementById(element).style.top
document.getElementById(element).style.left
However this doesn't always work in my script. Now, I've googled how to find the position of an element. And come accross many scripts which supposedly all find the position of any object. Some are very long scripts and some are very short all using a variety of methods. Incidently none of which work, they all return (0,0). I have a question, why would someone create a script to do what one line of code can do? Am I missing something.
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Feb 8, 2010
I have this markup:
[Code]...
There are two radio buttons, sometimes one will be disabled, other times the other will be disabled. I would like to make a script that: First: Changes the color of surrounding text of the disabled radio button to the color grey. Second: Checks the other radio button.
This was my plan: I would make a script that: First: Removes all the current classes and add the class "greyed_out" (or better: change only the color of) the parent element, all siblings and children of siblings (if any) of the radio button that is disabled at that time.Second: Sets the attribute "checked to the other radio button". I made a script, but when I set the bottom radio button to disabled the script doesn't work:
[Code]...
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Apr 21, 2006
I need to come up with a function
function regExpPos (text, re, parenNum) { ... }
that will return the position within text of RegExp.$parenNum if there
is a match, and -1 otherwise.
For example:
var re = /some(thing|or other)?.*(n(est)(?:ed)?.*(parens) )/
var text = "There were some nesting parens in the test";
alert (regExpPos (text, re, 3));
should show 17
Would anyone have one of these?
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Oct 5, 2006
Is there a possibility to find out the coordinates, relative to the whole
screen, or at least relative to the browsewindow, where an element ( e.g. link or
picture ) begins or ends?
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Oct 30, 2002
Is it possible to do this? Say I want to find out where on the screen a specific div is, and i want to know the values of the left and top properties. Can i find this out? If so, how?
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Jan 19, 2010
Today I am migrating my apps to jquery 1.4 (production mode), but somehow my page that use mouseposition script is doesn't work. Then i am downgrade to 1.3.2 and everything works! What the problem in my script or in 1.4.
This is demos :
using 1.3.2 : [URL]
using 1.4 : [URL]
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Apr 1, 2010
The mouse position tutorial has an example of how to find the click position within an element. How do you find the click position within the viewport?
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Aug 29, 2011
[URL]the second example allows getting the mouse position on click within a div area ,would it be possible to move the center of that area to where the mouse cursor was clicked at? This is what I came up with but the area isn't moving:
<html>
<head>
<style type="text/css">
body { background:#eee; margin:0em; }
[code]....
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Jun 23, 2011
After some reading from this tutorial, I have the following partly working code:
[Code]...
When the event: "found_match happens", it should show the mouse coordinatesin the div: "status2" , but it doesn't.ObviouslybecauseI am missing the .mousover(). But where to put this in my code to make it work so that it wil show the mousecoordinates on this event?
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Oct 11, 2011
I tried to create a mouse over effect using jquery. When user hovers #box1_trigger link, the #service_box1 div should change it's background position. The code I created is the following it's not working for some reason.
html:
<div class="service_box box1" id="service_box1">
<a href="#" id="box1_trigger">
<h3> </h3>
<p> </p>
</a>
</div>
javascript:
<script type="text/javascript">
$(document).ready(function() {
$("#box1_trigger").hover(
function() {
$("#service_box1").stop().animate({backgroundPosition:"(0 -250px)"}, "slow");
},
function() {
$("#service_box1").stop().animate({backgroundPosition: "0 0"}, "slow");
}
);
});
</script>
css:
#service_box1{
width:318px; height:282px;
float:left;
background:url(images/services_panel.png) 0 0 no-repeat;
}
a#box1_trigger{
width:100%; height:100%;
float:left;
display:block;
}
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Nov 18, 2011
I have a div with opacity 0.44 and a picture inside it. When i activate mouse events, this picture (with position absolute ) floats to top. This effect is seen only in Opera. Is there a workaround for this?
Example:[URL]...
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Mar 16, 2010
I am using mouse x,y onclick in one div (if mouse is in one set of coordinate range) to determine whether or not to show/hide another div, and am stumped as to how to compensate for the user changing page size, as the coordinates change. Is there an absolute xy, regardless of page/text size, or code to compensate for it? What is going on here is I have flash that I have no control over (wix) and I need to show Html (which wix doesn't), so I am having to determine if the user is over a certain button in the swf which I put in a div to give me some control over the flash. I'm using on click to bring the HTML to the front in a certain position, while the flash does its animation thing.
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Oct 23, 2009
I am using one button at the bottom of the page. When i click on that button the page refreshes and goes to the top of the page.But i want when i click on that button the page refreshes and mouse pointer goes to the bottom of the page where the button consists. i have found that it is possible in javascript through set the coordinates for mouse pointer.
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Jul 23, 2005
Here's something I'm working on: for a click on a given element, I want to be able capture the x/y coordinates of the mouse -- that is, the mouse coordinates relative to the top left corner of said
element.
So far, here's what I've got:
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Sep 22, 2006
I have a really professional conspiracy movie site
and I use tons of layers and an external scroll bar assembly.
I would like to put the various sections into MS Iframes and
in order to clean up the page but I find that the iframes interfere
with the getting the mouse coords from the screen which is
essential in moving the scroll bar around.
My test html is given below. With the iframe hidden the mouse coords
are obtainable. With the iframe visible things get buggy.
Where the "background_foriframe.html" is just a html file with
a background layer using a "DIV" tag. Code:
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Jul 24, 2005
I have a bunch of links that when you mouseover should bring up a window with extra information. The links look like
Code:
<a href="#" onMouseOver="popInfo(this)" onMouseOut="unpopInfo(this)">Link Text</a>
Here's the code for the tw functions, popInfo and unpopInfo:
Code:
function popInfo(x) {
var posx = 0;
var posy = 0;
if (!e) var e = window.event;
if (e.pageX || e.pageY)
{
posx = e.pageX;
posy = e.pageY;
}
else if (e.clientX || e.clientY)
{
posx = e.clientX + document.body.scrollLeft;
posy = e.clientY + document.body.scrollTop;
}
var infoBox = x.parentNode.getElementsByTagName('div')[0];
infoBox.className = 'infoBoxHover'
infoBox.style.left = posx;
infoBox.style.top = posy;
}
function unpopInfo(x) {
var infoBox = x.parentNode.getElementsByTagName('div')[0];
infoBox.className = 'infoBox'
}
This is working perfectly in IE and Opera but in firefox it's saying that window.event has no properties. I don't know much about javascript so I don't know where to start. Some help would be great.
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Mar 26, 2010
I have some anchor tags that have a popup appear when they are clicked.
<a href="javascriptpenlrChild()"><img src="../images/icon_calendar.gif"/></a>
function openChild() {
childWindow=open('http://localhost/property_search/smallcal.aspx','win1','resizable=yes,width=185,height=150,status=0,toolbar=0,scrollbars=0,menubar=0' );[code]....
These buttons appear at random heights on the page.I would like to set the popup to appear right by the mouse pointer when they click the button but don't have any idea how to do these.
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Apr 13, 2010
I'd like to find certain keywords in the text of an html page and give it an underline and the ability to show a tooltip when hovered. When I try to use .text() on the top-level element, it just spits everything out, including javascript, etc. How can I go through line-by-line and do a word comparison with the keyword I'd like highlighted? I'm thinking of basically doing:
$(#toplevel).each(function () {
if ($(this).text() == 'keyword')
$(this).contents().filter(return this.nodeType == 3).wrap('<a></a>');
If that makes any sense.
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