Develop Reference

When div blurs check for content change?

I have set up some content editable divs that have onblur functionality
<div class="inline-edit" contenteditable="true"></div>
$(document).ready(function(){
$('div.inline-edit').blur(function()
{
//functionality
});
});
and that all works grand for the functionality I've set up.
However the problem is the functionality will always occur when the blur even fires, even if the content in the editable div is never changed!
As the onchange method only works for inputs/textareas etc
I was curious if there was a simple~ way to do something like:
$(document).ready(function(){
$('div.inline-edit').blur(function()
{
if($('div.inline-edit').contentChanged())
{
//functionality
}
});
});

You could also look for keypress inside the div.
var changed = false;
$('#your-div').keypress(function (){
changed = true;
});
Or if your div data is very simple, you could save the original content and compare it when needed.

If only using 1 div, I'd set up an old and new variable and compare them on blur.
$(document).ready( () => {
var oldVal = $('.inline-edit').val();
$('.inline-edit').blur( () => {
let newVal = $('.inline-edit').val();
if (newVal === oldVal) {
return
}
//functionality
});
});

Change-Event for div [duplicate]

I want to run a function when a user edits the content of a div with contenteditable attribute. What's the equivalent of an onchange event?
I'm using jQuery so any solutions that uses jQuery is preferred. Thanks!

2022 update
As pointed out in the comments, this doesn't answer the question asked, which wanted the equivalent of the change event rather than the input event. However, I'll leave it here as is.
Original answer
I'd suggest attaching listeners to key events fired by the editable element, though you need to be aware that keydown and keypress events are fired before the content itself is changed. This won't cover every possible means of changing the content: the user can also use cut, copy and paste from the Edit or context browser menus, so you may want to handle the cut copy and paste events too. Also, the user can drop text or other content, so there are more events there (mouseup, for example). You may want to poll the element's contents as a fallback.
UPDATE 29 October 2014
The HTML5 input event is the answer in the long term. At the time of writing, it is supported for contenteditable elements in current Mozilla (from Firefox 14) and WebKit/Blink browsers, but not IE.
Demo:
document.getElementById("editor").addEventListener("input", function() {
console.log("input event fired");
}, false);
<div contenteditable="true" id="editor">Please type something in here</div>
Demo: http://jsfiddle.net/ch6yn/2691/

Here is a more efficient version which uses on for all contenteditables. It's based off the top answers here.
$('body').on('focus', '[contenteditable]', function() {
const $this = $(this);
$this.data('before', $this.html());
}).on('blur keyup paste input', '[contenteditable]', function() {
const $this = $(this);
if ($this.data('before') !== $this.html()) {
$this.data('before', $this.html());
$this.trigger('change');
}
});
The project is here: https://github.com/balupton/html5edit

Consider using MutationObserver. These observers are designed to react to changes in the DOM, and as a performant replacement to Mutation Events.
Pros:
Fires when any change occurs, which is difficult to achieve by listening to key events as suggested by other answers. For example, all of these work well: drag & drop, italicizing, copy/cut/paste through context menu.
Designed with performance in mind.
Simple, straightforward code. It's a lot easier to understand and debug code that listens to one event rather than code that listens to 10 events.
Google has an excellent mutation summary library which makes using MutationObservers very easy.
Cons:
Requires a very recent version of Firefox (14.0+), Chrome (18+), or IE (11+).
New API to understand
Not a lot of information available yet on best practices or case studies
Learn more:
I wrote a little snippet to compare using MutationObserers to handling a variety of events. I used balupton's code since his answer has the most upvotes.
Mozilla has an excellent page on the API
Take a look at the MutationSummary library

non jQuery quick and dirty answer:
function setChangeListener (div, listener) {
div.addEventListener("blur", listener);
div.addEventListener("keyup", listener);
div.addEventListener("paste", listener);
div.addEventListener("copy", listener);
div.addEventListener("cut", listener);
div.addEventListener("delete", listener);
div.addEventListener("mouseup", listener);
}
var div = document.querySelector("someDiv");
setChangeListener(div, function(event){
console.log(event);
});

I have modified lawwantsin 's answer like so and this works for me. I use the keyup event instead of keypress which works great.
$('#editor').on('focus', function() {
before = $(this).html();
}).on('blur keyup paste', function() {
if (before != $(this).html()) { $(this).trigger('change'); }
});
$('#editor').on('change', function() {alert('changed')});

Two options:
1) For modern (evergreen) browsers:
The "input" event would act as an alternative "change" event.
https://developer.mozilla.org/en-US/docs/Web/Events/input
document.querySelector('div').addEventListener('input', (e) => {
// Do something with the "change"-like event
});
or
<div oninput="someFunc(event)"></div>
or (with jQuery)
$('div').on('click', function(e) {
// Do something with the "change"-like event
});
2) To account for IE11 and modern (evergreen) browsers:
This watches for element changes and their contents inside the div.
https://developer.mozilla.org/en-US/docs/Web/API/MutationObserver
var div = document.querySelector('div');
var divMO = new window.MutationObserver(function(e) {
// Do something on change
});
divMO.observe(div, { childList: true, subtree: true, characterData: true });

const p = document.querySelector('p')
const result = document.querySelector('div')
const observer = new MutationObserver((mutationRecords) => {
result.textContent = mutationRecords[0].target.data
// result.textContent = p.textContent
})
observer.observe(p, {
characterData: true,
subtree: true,
})
<p contenteditable>abc</p>
<div />

Here's what worked for me:
var clicked = {}
$("[contenteditable='true']").each(function(){
var id = $(this).attr("id");
$(this).bind('focus', function() {
// store the original value of element first time it gets focus
if(!(id in clicked)){
clicked[id] = $(this).html()
}
});
});
// then once the user clicks on save
$("#save").click(function(){
for(var id in clicked){
var original = clicked[id];
var current = $("#"+id).html();
// check if value changed
if(original != current) save(id,current);
}
});

This thread was very helpful while I was investigating the subject.
I've modified some of the code available here into a jQuery plugin so it is in a re-usable form, primarily to satisfy my needs but others may appreciate a simpler interface to jumpstart using contenteditable tags.
https://gist.github.com/3410122
Update:
Due to its increasing popularity the plugin has been adopted by Makesites.org
Development will continue from here:
https://github.com/makesites/jquery-contenteditable

Non JQuery answer...
function makeEditable(elem){
elem.setAttribute('contenteditable', 'true');
elem.addEventListener('blur', function (evt) {
elem.removeAttribute('contenteditable');
elem.removeEventListener('blur', evt.target);
});
elem.focus();
}
To use it, call on (say) a header element with id="myHeader"
makeEditable(document.getElementById('myHeader'))
That element will now be editable by the user until it loses focus.

In Angular 2+
<div contentEditable (input)="type($event)">
Value
</div>
#Component({
...
})
export class ContentEditableComponent {
...
type(event) {
console.log(event.data) // <-- The pressed key
console.log(event.path[0].innerHTML) // <-- The content of the div
}
}

To avoid timers and "save" buttons, you may use blur event wich fires when the element loses focus. but to be sure that the element was actually changed (not just focused and defocused), its content should be compared against its last version. or use keydown event to set some "dirty" flag on this element.

Here is the solution I ended up using and works fabulously. I use $(this).text() instead because I am just using a one line div that is content editable. But you may also use .html() this way you dont have to worry about the scope of a global/non-global variable and the before is actually attached to the editor div.
$('body').delegate('#editor', 'focus', function(){
$(this).data('before', $(this).html());
});
$('#client_tasks').delegate('.task_text', 'blur', function(){
if($(this).data('before') != $(this).html()){
/* do your stuff here - like ajax save */
alert('I promise, I have changed!');
}
});

You need to use input event type
Demo
HTML
<div id="editor" contenteditable="true" >Some text here</div>
JS
const input = document.getElementById('editor');
input.addEventListener('input', updateValue);
function updateValue(e) {
console.log(e.target);
}
know more

The onchange event doesn't fires when an element with the contentEditable attribute is changed, a suggested approach could be to add a button, to "save" the edition.
Check this plugin which handles the issue in that way:
Creating a quick and dirty jQuery contentEditable Plugin

Using DOMCharacterDataModified under MutationEvents will lead to the same. The timeout is setup to prevent sending incorrect values (e.g. in Chrome I had some issues with space key)
var timeoutID;
$('[contenteditable]').bind('DOMCharacterDataModified', function() {
clearTimeout(timeoutID);
$that = $(this);
timeoutID = setTimeout(function() {
$that.trigger('change')
}, 50)
});
$('[contentEditable]').bind('change', function() {
console.log($(this).text());
})
JSFIDDLE example

I built a jQuery plugin to do this.
(function ($) {
$.fn.wysiwygEvt = function () {
return this.each(function () {
var $this = $(this);
var htmlold = $this.html();
$this.bind('blur keyup paste copy cut mouseup', function () {
var htmlnew = $this.html();
if (htmlold !== htmlnew) {
$this.trigger('change')
}
})
})
}
})(jQuery);
You can simply call $('.wysiwyg').wysiwygEvt();
You can also remove / add events if you wish

A simple answer in JQuery, I just created this code and thought it will be helpful for others too
var cont;
$("div [contenteditable=true]").focus(function() {
cont=$(this).html();
});
$("div [contenteditable=true]").blur(function() {
if ($(this).html()!=cont) {
//Here you can write the code to run when the content change
}
});

For me, I want to check the input is valid or not.
If valid, then update, Otherwise show an error message and keep the value as same as before.
Skill: When you edit done, usually, it will trigger the blur event.
Example
<span contenteditable="true">try input somethings.</span>
<script>
const elem = document.querySelector(`span`)
let oldValue = elem.innerText
elem.onkeydown = (keyboardEvent) => {
if (keyboardEvent.key === "Enter") {
elem.blur() // set focusout
}
}
elem.onblur = (e) => {
const curValue = elem.innerText
if (curValue === oldValue) {
return
}
if (curValue.length <= 50) { // 👈 Input your conditions.
// 👇 fail
elem.innerText = oldValue
// (Optional) Add error message
elem.insertAdjacentHTML("beforeend", `<span style="margin-left:5px;color:red">error length=${curValue.length}. Must greater than 50. undo to the previous value.</span>`)
const errMsg = elem.querySelector(`span`)
setTimeout(() => errMsg.remove(), 3500) // wait 3.5 second, and then remove it.
return
}
// 👇 OK, update
oldValue = curValue
}
</script>

Check this idea out.
http://pastie.org/1096892
I think it's close. HTML 5 really needs to add the change event to the spec. The only problem is that the callback function evaluates if (before == $(this).html()) before the content is actually updated in $(this).html(). setTimeout don't work, and it's sad. Let me know what you think.

Based on #balupton's answer:
$(document).on('focus', '[contenteditable]', e => {
const self = $(e.target)
self.data('before', self.html())
})
$(document).on('blur', '[contenteditable]', e => {
const self = $(e.target)
if (self.data('before') !== self.html()) {
self.trigger('change')
}
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

Blur Select2 input after close

I want the select2 element to lose the focus when the select2-close event is triggered, what I have tried so far was:
.on("select2-close", function (e) {
var $focused = $(':focus');
$focused.blur();
});
and some variations to get focused element like document.activeElement, $(e.target) non f these worked.
JSFiddle

You need to remove the .select2-container-active class from the containing divider:
.on("select2-close", function () {
setTimeout(function() {
$('.select2-container-active').removeClass('select2-container-active');
$(':focus').blur();
}, 1);
});
I've used a setTimeout here as a hacky way to ensure that this triggers after the plugin itself finalises the close.
JSFiddle demo.

Jquery - How to copy an input that has a value on load

I have a website url field that has the value set for returning visitors who have previously filled out the form. If they change the value, then ('keyup blur paste', function() will copy it to a div. If they do not change the value, the ('keyup blur paste', function() does not copy the value to the div
I would like to figure out how to add to this script a function that would also copy the value to the div if they do not change it, because blur only works if they click in the input before they submit the form.
Here is my current script:
$(function () {
$('#Website').on('keyup blur paste', function() {
var self = this;
setTimeout(function() {
var str = $(self).val();
$("#viewer").text(str.replace(/^http\:\/\//, ''));
}, 0)
})
});

If I get you correctly, you want to populate the div on load as well as on keyup/blur/paste? Something like this?
$(function () {
$('#Website').on('keyup blur paste', function() {
var self = this;
setTimeout(function() {
var str = $(self).val();
$("#viewer").text(str.replace(/^http\:\/\//, ''));
}, 0)
});
// just add the line below
$("#viewer").text($('#Website').val().replace(/^http\:\/\//, ''));
});
I've updated the fiddle you created to demonstrate this working: http://jsfiddle.net/8kn4V/2/

on your page load...
$('#mydiv').html('whatever the value of the cookie');
is that what you need? as they mentioned in the comments above, your question is a little confusing.

use val() for input , select and textareas, and use text() for general elements like divs.
First solution
It seems now you are using a timeout of 0. That is not necessary at all, I think. So please check out this Fiddle:
$('#website').on("keyup blur paste", function () {
var s = $(this).text();
$("#viewer").text(s.replace(/^http\:\/\//, ''));
});
Edited solution
Now it seems you also want code that update #viewer from #website even when not triggered.
Here is a second fiddle — I hope you'll give credit if this solves the problem as it stands currently.
Relevant code:
function viewerupdate(me){
var s = me.text();
$("#viewer").text(s.replace(/^http\:\/\//, ''));
}
$('#website').on("keyup blur paste", function () { viewerupdate($(this)) });
var current_viewer = $('#viewer').text();
$('#submit').click(function(){ // assumes in the case that no change was made, that the submission is done through #submit
if($('#viewer').text() == current_viewer )
viewerupdate($('#website'));
});

Do not fire one event if already fired another

I have a code like this:
$('#foo').on('click', function(e) {
//do something
});
$('form input').on('change', function(e) {
//do some other things
));
First and second events do actually the same things with the same input field, but in different way. The problem is, that when I click the #foo element - form change element fires as well. I need form change to fire always when the content of input is changing, but not when #foo element is clicked.
That's the question )). How to do this?
Here is the code on jsfiddle: http://jsfiddle.net/QhXyj/1/

What happens is that onChange fires when the focus leaves the #input. In your case, this coincides with clicking on the button. Try pressing Tab, THEN clicking on the button.
To handle this particular case, one solution is to delay the call to the change event enough check if the button got clicked in the meantime. In practice 100 milisecond worked. Here's the code:
$().ready(function() {
var stopTheChangeBecauseTheButtonWasClicked = false;
$('#button').on('click', function(e) {
stopTheChangeBecauseTheButtonWasClicked = true;
$('#wtf').html("I don't need to change #input in this case");
});
$('#input').on('change', function(e) {
var self = this;
setTimeout(function doTheChange() {
if (!stopTheChangeBecauseTheButtonWasClicked) {
$(self).val($(self).val() + ' - changed!');
} else {
stopTheChangeBecauseTheButtonWasClicked = false;
}
}, 100);
});
});
And the fiddle - http://jsfiddle.net/dandv/QhXyj/11/

It's only natural that a change event on a blurred element fires before the clicked element is focused. If you don't want to use a timeout ("do something X ms after the input was changed unless in between a button was clicked", as proposed by Dan) - and timeouts are ugly - you only could go doing those actions twice. After the input is changed, save its state and do something. If then - somewhen later - the button is clicked, retrieve the saved state and do the something similar. I guess this is what you actually wanted for your UI behaviour, not all users are that fast. If one leaves the input (e.g. by pressing Tab), and then later activates the button "independently", do you really want to execute both actions?
var inputval = null, changedval = null;
$('form input').on('change', function(e) {
inputval = this.value;
// do some things with it and save them to
changedval = …
// you might use the value property of the input itself
));
$('#foo').on('click', function(e) {
// do something with inputval
});
$('form …').on('any other action') {
// you might want to invalidate the cache:
inputval = changedval;
// so that from now on a click operates with the new value
});

$(function() {
$('#button').on('click', function() {
//use text() not html() here
$('#wtf').text("I don't need to change #input in this case");
});
//fire on blur, that is when user types and presses tab
$('#input').on('blur', function() {
alert("clicked"); //this doesn't fire when you click button
$(this).val($(this).val()+' - changed!');
});
});​
Here's the Fiddle

$('form input').on('change', function(e) {
// don't do the thing if the input is #foo
if ( $(this).attrib('id') == 'foo' ) return;
//do some other things
));
UPDATE
How about this:
$().ready(function() {
$('#button').on('click', function(e) {
$('#wtf').html("I don't need to change #input in this case");
});
$('#input').on('change', function(e) {
// determine id #input is in focus
if ( ! $(this).is(":focus") ) return;
$(this).val($(this).val()+' - changed!');
});
});