How to hide my dynamicly created divs? - javascript

I have created a script that creates divs based on number of li elements and that part is working fine. Now what I would like to do is to hide these div's (dynamicly created) but it is not working. Can someone tell me what I am doing wrong here? THX!!
Fiddle here
My code:
$(document).ready(function(){
$(".create").click(function(){
i='';
var count = $("li").length;
for(var i=0;i<count;i++){
$('<div class="mydiv" style="width:100px;height:100px;background-color:red;border:1px solid #000000;"></div>').appendTo('body');
}
});
$('.check').click(function(){
var getDivs= $('div').length;
alert(getDivs);
});
//Why is this not working?
$('div').click(function(){
$(this).hide();
});
});

Try to do this instead (and attach the click event when you create the div):
$('<div class="mydiv" style="width:100px;height:100px;background-color:red;border:1px solid #000000;"></div>')
.click(function(){
$(this).hide();
})
.appendTo('body');

All of this code should be in jQuery ready. The problem is your events are being bound before the elements have been created.
$(document).ready(function(){
$(".create").click(function(){
i='';
var count = $("li").length;
for(var i=0;i<count;i++){
$('<div class="mydiv" style="width:100px;height:100px;background-color:red;border:1px solid #000000;"></div>').appendTo('body');
}
$('.check').click(function(){
var getDivs= $('div').length;
alert(getDivs);
});
//Now working
$('div').click(function(){
$(this).hide();
});
});
});

Try
$(document).on('click', 'div', function () {
$(this).hide();
)};

Related

How can i add a event function after append a elements?

I click the button, it will append a div inside body, then, I want to click the div to alert a msg.I tried, but fail. How can I implements with highlight area.
example
$(document).ready(function()
{
$("button").click(function()
{
div = "<div class='test'>div</div>";
$("body").append(div);
});
$(".test").click(function()
{
alert("test");
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<button>Append div</button>
You should note that when document is ready elements with the .test class do not exist (that is why your code didn't work), they are dinamically added. So, I will do like this:
$(document).ready(function()
{
$("button").click(function()
{
var div = $("<div></div>").addClass('test'); // this is creating div element in dom as jquery
// Then attach click function to purpose of its create
div.click(function()
{
alert('test')
});
$("body").append(div);// then this is appending created div
});
});
jsfiddle Playground
One way, is just registering the listener on click event after you append it to the body tag, taking care of unregistering the previous clicks events, so you don't fall on multiple clicks events on the same element. Note that when document is ready still don't exists any element with the class .test, thats the reason your code was not working. Check next example:
$(document).ready(function()
{
$("button").click(function()
{
var div = "<div class='test'></div>";
$("body").append(div);
$(".test").unbind("click").click(function()
{
alert("A new div was clicked!");
});
});
});
.test {
width: 200px;
height: 200px;
background: red;
margin-bottom: 5px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<body>
<button type="button">Append new div</button>
</body>
For dynamically created elements, use .on, lear more about .on here http://api.jquery.com/on/
$(document).ready(function(){
$("button").click(function(){
div = "<div class='test'></div>";
$("body").append(div);
});
$(document).on('click', '.test', function(){
alert("test");
});
});

jQuery: remove or hide overlay div?

I'm creating an overlay div using the following code when an image thumbnail is clicked:
<script type="text/javascript">
jQuery(document).ready(function(){
jQuery(".test-popup-link").click(function(e) {
var overlay = jQuery('<div align="center" id="overlay"><img id="imgBig" src="" /></div>');
overlay.appendTo(document.body);
//jQuery('#overlay').load(this.href);
var imgs = (this.href);
jQuery('#overlay #imgBig').attr("src", imgs)
return false;
});
});
</script>
This works fine.
Now i need to remove or hide the overlay div when the user clicks on the img with the id of imgBig. so I tried this:
<script>
jQuery(document).ready(function(){
jQuery( "#overlay #imgBig" ).click(function() {
jQuery("#overlay").remove();
});
return false;
});
</script>
but for some reason it just doesn't work which means it doesn't hide/remove the overlay div!
Could someone please advise on this issue?
Thanks in advance.
The click function doesn't work with dynamically created elements. Also, id's are unique so you should only need to use #imgBig in the selector.
Try this:
jQuery(document).ready(function(){
jQuery( "#imgBig" ).on('click', function() {
jQuery("#overlay").remove();
});
return false;
});
You should use the second part inside the first function, like this (I replaced Jquery with $):
...
var imgs = (this.href);
$('#overlay #imgBig').attr("src", imgs);
$( "#overlay #imgBig" ).click(function() {
$("#overlay").remove();
});
return false;
A JSFiddle example:
JSFiddle
Now i need to remove or hide the overlay div when the user clicks on
the img with the id of imgBig
Try assigning click event to img element having src set to imgs
jQuery(document).ready(function(){
jQuery(".test-popup-link").click(function(e) {
var overlay = jQuery('<div align="center" id="overlay"><img id="imgBig" src="" /></div>');
overlay.appendTo(document.body);
//jQuery('#overlay').load(this.href);
var imgs = (this.href);
jQuery('#overlay #imgBig').attr("src", imgs);
// assign `click` event to `img` element having `src` set to `imgs`
jQuery("img[src=" + imgs + "]").on("click", function() {
// do stuff
// e.g., remove or hide the overlay div
$(this).parent().remove();
});
return false;
});
});
The problem is that the on() or the click() function doesn't work with dynamically generated HTML content. Previously you could use the live() method but currently it's deprecated in jQuery. Fortunately, the on() method accepts a second argument especially for these cases. So you can use:
jQuery( "body" ).on( 'click', '#imgBig', function() {
jQuery("#overlay").remove();
});
Here's a Fiddle: http://jsfiddle.net/y5y1x5vm/
Hope that solves your problem.

The onclick remove affecting other button

I have this function for delete button (to delete based on what i click) and it is working, but when i clicked on other button it does the delete function which
is not supposed to do. how can i prevent affecting the other button?
function myDelete()
{
$(document).on('click', '.item', function(){
$(this).remove();
var sum = 0;
});
}
You would better bind your 'click' event to the particular dom object, rather than to the document object.
Please try this code :
function myDelete()
{
$('.item').on('click', function(){
$(this).remove();
var sum = 0;
});
}
Also, it looks weird to me that you have to wrap this in a function. A simple wrapper (equivalent of "on dom load") should be enough in most cases :
$(function(){
// you code here such as :
$('.item').on('click', function(){
$(this).remove();
var sum = 0;
});
});
It's better to put your function inside $(document).ready(). For deleting clicked button, you can do this:
$(document).ready(functio(){
$(document).on('click', '.item', function(){
$(this).remove();
var sum = 0;
});
});
Or, you can do this:
<button class="item" onclick="myDelete(this)">Button</button>
function myDelete(element)
{
$(element).remove();
var sum = 0;
}
just bind your click event with the class assosiates with it. No need to wrap it with other function.
$('.item').on('click', function(){
$(this).remove();
var sum = 0;
});
<button class="item">Other Button</button>
<button onclick="myDelete(this)">Button</button>
function myDelete()
{
$('.item').remove();
var sum = 0;
}

Append <div> with click and remove with click

I have the following problem:
I append the div:
$(".class").click(function() {
$(this).append("<div class='click'></div>");
$("div.click").show();
});
Then i remove it with a click on another button but the div is still there.
$(".button").on("click", function(e){
e.preventDefault();
...
$("div.click").hide();
});
Try keeping a pointer to the div the following should work.
var tempDiv;
$(".class").click(function() {
tempDiv = $("<div class='click'></div>").appendTo($(this)).show();
});
$(".button").on("click", function(e){
e.preventDefault();
tempDiv.remove();
});
Otherwise you can use this way
$(".class").click(function() {
$("<div class='click'></div>").appendTo($(this)).show();
});
$(".button").on("click", function(e){
e.preventDefault();
$('.click').remove();
});
PS: You may also remove the .show() if the .click class is not hidden by default
Try this
You have two buttons.
Say:
<div class="Main">
<div>Div0</div>
</div>
<button class="button1">Click to add</button>
<button class="button2">Click to remove</button>
and JS Code is :
var counter=1;
$(".button1").click(function() {
$('.Main').append("<div class='click'> newly added Div "+counter+"</div>");
counter++;
$("div .click").show();
});
$(".button2").click(function() {
$('.Main div').remove(':last-child');
});
Here is an example based on your work : http://jsfiddle.net/UQTY2/128/
<div class="class">Click to add a green box</div>
<button class="button">Click to remove all green boxes</button>
$(".class").click(function() {
$(this).append("<div class='click'></div>");
});
$(".button").click(function(e) {
e.preventDefault();
$("div.click").remove();
});
this will remove
$(".button").on("click", function (e) {
e.preventDefault();
$("div.click").remove();
});
check my fiddle
http://jsfiddle.net/suhailvs/4VmYP/2/
When you dynamicly create element, you need delegated-event: .on( event, selector, handler(eventObject) ).
$(document).on("click", ".button", function(e){
e.preventDefault();
...
$("div.click").hide();
});
If you want remove element, you shoud use .remove() method instead of .hide().
you can dynamically add and remove div with javaScript like this
Check this example
Add and Remove Div dynamically
in this example the default remove button remove the most recent added div or you can say the last div in the container
But if you want to remove particular div with div place number you can enter the div number .
Code example
HTML
<div class="Main">
<div>div1</div>
</div>
<button id="ok">add</button>
<button id="del">remove</button>
<label>Enter div number to remove</label>
<input id="V"/>
<button id="Vok">ok</button>
JS
var counter=0;
$("#ok").click(function(){
$('.Main').append('<div> new div'+counter+'</div>');
counter++;
})
$("#del").click(function(){
$('.Main div').remove(':last-child');
})
$("#Vok").click(function(){
var Val=$('#V').val();
$('.Main div:nth-child('+Val+')').remove();
})
remove "on" from
$(".button").on("click", function(e){
e.preventDefault();
...
$("div.click").hide();
});

Jquery selected tab

I wanna get selected id from my tabs. I tried anything but but I am very weak in javascript. This my tabs.
<li>Pondelok</li>
<li>Utorok</li>
<li>Streda</li>
<li>Štvrtok</li>
<li>Piatok</li>
<li>Sobota</li>
<li>Nedeľa</li>
This is my attempt, which return undefined.
<script>
var selected_tab = $(".ui-state-active").attr("id");
document.write(selected_tab);
</script>
this will alert id of tab on which you have clicked
$('.days').click(function(){
alert($(this).attr('id'));
});
if you want to write it on document use this
$('.days').click(function(){
document.write($(this).attr('id'));
});
Live Demo
http://jsfiddle.net/zgDYZ/
<script>
var selecId = "";
$('.days').click(function(){
selecId = $(this).attr('id');
});
</script>
Use selecId where ever you want..
Your are trying to to get attribute from class .ui-state-active which doesn't exist as per your markup. So your code wont work:
Try the below and this will work:
$(function() {
$("ul li").each(function() {
var selected_tab = $(this).find("a").attr("id");
alert(selected_tab);
})
});
<script type="text/javascript">
$(document).ready(function () {
$('.days').click(function () {
alert($(this).attr('id'));
});
});
</script>
another best way with validations
$('a.days').click(function(){
alert($(this).attr('id'));
});

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