Internet Explorer only.
<input type="button" id="but" value="button2"/>
<textarea id="text" cols="40" rows="20"></textarea>
window.onload = function() {
var el = document.getElementById("text");
var but = document.getElementById("but");
el.onbeforedeactivate = function() { alert('out') };
but.onclick = function() { alert('click') };
}
When I click the button within the textarea (focus is on textarea), I expect both functions to trigger but its not happening.
Why?
Online Example
alert causes all sorts of trouble, esp. on IE but frankly on other browsers as well. I would avoid it.
Your example works fine if you don't use alert, but instead use another way of showing the events have been received:
window.onload = function() {
var el = document.getElementById("text");
var but = document.getElementById("but");
el.onbeforedeactivate = function() { display('out') };
but.onclick = function() { display('click') };
function display(msg) {
var p = document.createElement('p');
p.innerHTML = msg;
document.body.appendChild(p);
}
}
Updated fiddle
Tested on IE6, 7, and 8. With your original, I get the same result as you (just the "out" alert). With the update, I see both events do in fact occur.
Related
Here's the code I'm currently using
function firstChildAge() {
var header = document.createElement('H3');
var body = document.getElementsByTagName('BODY');
var textnode = document.createTextNode("WHAT IS THE AGE OF THE FIRST CHILD?");
var inputChildOne = document.createElement("Input");
var childOneAgeResponse = inputChildOne.value;
header.appendChild(textnode);
document.body.appendChild(header);
document.body.appendChild(inputChildOne);
}
function submitButton() {
var btn = document.createElement('Button');
document.body.appendChild(btn);
btn.onClick = testFunction_2();
}
function testFunction_2() {
alert("foo");
}
if (childrenResponse == 1) {
firstChildAge();
submitButton();
}
As you can see, if childrenResponse (the user's response to a previous query) is equal to 1, both functions are activated. The attempted goal is to create a text node, an input, and a button. The button as of right now, should active testFunction2() which alerts us that it is working. But, testFunction2() activates before the text node or input even shows up. I can find the reason for this, and if anyone can help me out I'd greatly appreciate it. Thank you.
Also, on a side note, how can I add text to the button created in submitButton() ? Thanks!
You have called the testFunction_2, instead of assigning it. This should work out fine.
function submitButton() {
var btn = document.createElement('Button');
btn.onclick = testFunction_2;
document.body.appendChild(btn);
}
You are calling the function testFunction_2() in onClick. You need to add event listener to button as shown below
btn.addEventListener('click', testFunction_2);
To add text to button use
var txt = document.createTextNode("CLICK ME");
btn.appendChild(txt);
Check the snippet below
function firstChildAge() {
var header = document.createElement('H3');
var body = document.getElementsByTagName('BODY');
var textnode = document.createTextNode("WHAT IS THE AGE OF THE FIRST CHILD?");
var inputChildOne = document.createElement("Input");
var childOneAgeResponse = inputChildOne.value;
header.appendChild(textnode);
document.body.appendChild(header);
document.body.appendChild(inputChildOne);
}
function submitButton() {
var btn = document.createElement('Button');
var txt = document.createTextNode("CLICK ME");
btn.appendChild(txt);
document.body.appendChild(btn);
btn.addEventListener('click', testFunction_2);
}
function testFunction_2() {
alert("foo");
}
childrenResponse = 1;
if (childrenResponse == 1) {
firstChildAge();
submitButton();
}
You are calling the function testFunction_2 in onClick. You need to provide reference.
That also won't work. You need to add event listener to button.
And for setting the text, just set innerHTML of button.
var btn = document.createElement('Button');
btn.innerHTML = "click";
btn.addEventListener('click', testFunction_2);
document.body.appendChild(btn);
btn.onclick = testFunction_2; // in place of addEventListener.
// if you want to use onclick. use small case 'c' in onclick.
There were 2 problems:
onClick should've been onclick.
You were executing the function and assigning the result of that function to the onclick. btn.onClick = testFunction_2(); should be btn.onClick = testFunction_2;
See working snippet below.
function firstChildAge() {
var header = document.createElement('H3');
var body = document.getElementsByTagName('BODY');
var textnode = document.createTextNode("WHAT IS THE AGE OF THE FIRST CHILD?");
var inputChildOne = document.createElement("Input");
var childOneAgeResponse = inputChildOne.value;
header.appendChild(textnode);
document.body.appendChild(header);
document.body.appendChild(inputChildOne);
}
function testFunction_2() {
alert("foo");
}
function submitButton() {
var btn = document.createElement('button');
btn.innerHTML = "Some button name";
btn.onclick = testFunction_2;
document.body.appendChild(btn);
}
var childrenResponse = 1;
if (childrenResponse == 1) {
firstChildAge();
submitButton();
}
In javascript you can use the innerHTML set the button's HTML contents.
See Setting button text via javascript
btn.innerHTML = "This is a button name";
The Mozilla Developer Network is a good resource. Here's two links for the above mentioned snippets.
MDN innerHTML
MDN HTML Button element
I wanted to make a function with onclick where if I press the div the content should be displayed. If I click on that content it will give me the "starting"-form.
Let me show you the code:
HTML:
<div id="demo">click</div>
Javascript:
var div = document.getElementById("demo");
var info = "This is the information for the user.";
var status = true;
if(status){
div.onclick = function() { div.innerHTML = info };
status=false;
}
else {
div.onclick = function() { div.innerHTML = "click" };
status=true;
}
So I made a variable status that checks what is being shown.
I hope i could express myself good enough. :)
The if statement is not going to magically run again. You need to do the check inside the click. Do not try to bind separate click events.
(function () {
var div = document.getElementById("demo");
var info = "This is the information for the user.";
var status = false;
div.addEventListener("click", function() {
status = !status;
div.innerHTML = status ? info : "click";
});
}());
<div id="demo">click</div>
I have a div that I'm appending to another div when a button is clicked. I'm also calling a bunch of functions on the div that gets created.
HTML
<a onClick="drawRect();">Rect</a>
JS
function drawRect(){
var elemRect = document.createElement('div');
elemRect.className = 'elem elemRect';
elemRect.style.position = "absolute";
elemRect.style.background = "#ecf0f1";
elemRect.style.width = "100%";
elemRect.style.height = "100%";
elemRect.style.opacity = "100";
renderUIObject(elemRect);
$('.elemContainer').draggableParent();
$('.elemContainer').resizableParent();
makeDeselectable();
handleDblClick();
}
var createDefaultElement = function() {
..
..
};
var handleDblClick = function() {
..
..
};
var renderUIObject = function(object) {
..
..
};
var makeDeselectable = function() {
..
..
};
I could clone the element when the browser detects a keydown event
$(window).keydown(function(e) {
if (e.keyCode == 77) {
$('.ui-selected').clone();
return false;
}
});
then append it to #canvas. But the problem is, none of the functions I mentioned above get called with this method.
How can I copy/paste an element (by pressing CMD+C then CMD+V) and call those above functions on the cloned element?
The jQuery.clone method returns the cloned node. So you could adjust your code to do something like this:
var myNodes = $('.ui-selected').clone();
myNodes.each(function () {
createDefaultElement(this);
appendResizeHandles(this);
appendOutline(this);
});
I'm new to js-development. I have the following code:
<html>
<body>
<div><span id="inline">Click here to start editing</span></div>
<script>
var inline = document.getElementById("inline");
inline.onclick = function() {
if (!inline.editable) {
var text = inline.innerText;
inline.innerHTML = "<input type='text' id='inline-editable'>";
inline.editable = true;
var inline_editable = document.getElementById("inline-editable");
inline_editable.value = text;
inline_editable.onblur = function() {
var value = inline_editable.value;
inline.editable = false;
inline.innerHTML = value;
}
inline_editable.onkeypress = function(event) {
if (event.keyCode == 13) {
inline_editable.onblur();
}
}
}
}
</script>
</body>
</html>
Which shows some text inside span and allows inline editing. When I finish editing within just onblur event it work perfectly fine. But if I want to terminate editing by Enter and use the same hander I get an error NotFoundError: DOM Exception 8 in this line:
inline.innerHTML = value;
Nevertheless everything works as I expect. Can anyone help me to avoid this error?
I assume that is happened because I destroy inline-editable element while event handling is not finished and it wants to invoke onchange maybe. Should I have 2 controls all the time an switch their visibility instead?
Problem here is the onblur is triggered twice, the second time, the element is not there which causes the problem. Kill the events
var inline = document.getElementById("inline");
inline.onclick = function() {
if (!inline.editable) {
var text = inline.innerText;
inline.innerHTML = "<input type='text' id='inline-editable'>";
inline.editable = true;
var inline_editable = document.getElementById("inline-editable");
inline_editable.value = text;
inline_editable.onblur = function() {
this.onblur = function(){};
var value = this.value;
inline.editable = false;
inline.innerHTML = value;
}
inline_editable.onkeypress = function(event) {
if (event.keyCode == 13) {
this.onblur();
}
}
}
}
I'm trying to make a firefox extension with the SDK. (if I can avoid XUL i'm happy)
I'm using erik vold toolbarbutton
But I need to change the toolbar image on the fly.
My lib/main.js (background page) is :
var tbb = require("toolbarbutton").ToolbarButton({
id: "My-button",
label: "My menu",
image: Data.url('off.png'),
onCommand: function(){
Tabs.open(Data.url("signin.html"));
}
});
tbb.setIcon({image:Data.url('on.png')});
console.log(tbb.image);
tbb.moveTo({
toolbarID: "nav-bar",
forceMove: false // only move once
});
tbb.image is correct, but the button isn't refreshed.
I tried to change packages/toolbarbutton-jplib/lib/toolbarbutton.js
function setIcon(aOptions) {
options.image = aOptions.image || aOptions.url;
getToolbarButtons(function(tbb) {
tbb.image = options.image;
tbb.setAttribute("image", options.image); // added line
}, options.id);
return options.image;
}
But it doesn't seem to refresh...
Is erik vold lib enough for this kind of need ?
also be sure to update with this fix https://github.com/voldsoftware/toolbarbutton-jplib/pull/13/files
there is a setIcon method and a image setter that you can use to update the toolbar button's image
I had the same problem so I just wrote the code my self using this tutorial:
http://kendsnyder.com/posts/firefox-extensions-add-button-to-nav-bar
Try this, I rewrote my code to fit your needs:
var btn = null;
var btnId = 'My-button';
var btnLabel = 'My menu';
var btnIconOn = 'on.png';
var btnIconOff = 'off.png';
var {Cc, Ci} = require('chrome');
var self = require("sdk/self");
var mediator = Cc['#mozilla.org/appshell/window-mediator;1'].getService(Ci.nsIWindowMediator);
// exports.main is called when extension is installed or re-enabled
exports.main = function(options, callbacks) {
btn = addToolbarButton();
// do other stuff
};
// exports.onUnload is called when Firefox starts and when the extension is disabled or uninstalled
exports.onUnload = function(reason) {
removeToolbarButton();
// do other stuff
};
// add our button
function addToolbarButton() {
// this document is an XUL document
var document = mediator.getMostRecentWindow('navigator:browser').document;
var navBar = document.getElementById('nav-bar');
if (!navBar) {
return;
}
var btn = document.createElement('toolbarbutton');
btn.setAttribute('id', btnId);
btn.setAttribute('type', 'button');
// the toolbarbutton-1 class makes it look like a traditional button
btn.setAttribute('class', 'toolbarbutton-1');
// the data.url is relative to the data folder
btn.setAttribute('image', self.data.url(btnIconOff));
btn.setAttribute('orient', 'horizontal');
// this text will be shown when the toolbar is set to text or text and iconss
btn.setAttribute('label', btnLabel);
navBar.appendChild(btn);
return btn;
}
function removeToolbarButton() {
// this document is an XUL document
var document = mediator.getMostRecentWindow('navigator:browser').document;
var navBar = document.getElementById('nav-bar');
var btn = document.getElementById(btnId);
if (navBar && btn) {
navBar.removeChild(btn);
}
}
btn.addEventListener('click', function() {
Tabs.open(Data.url("signin.html"));
}, false);
tbb.setIcon({image:self.data.url(btnIconOn)});