I have a button, that is created by jquery after success of ajax call.
I wanted to change its background-color also by jquery but it doesn't work at all.
What is interesting, I have tried to add exactly the same button outside of the script, in html area and it works fine. How to deal with it?
<script>
$(".submitInput1").click(function() {
event.preventDefault();
$(".toBanList").html("");
$.ajax({
type: "GET"
url: "/searchFriendsToBlock",
dataType: "json",
data: {
},
success: function(msg) {
for (var i = 0; i <= msg.length; i++) {
$(".banSearchResultList").append("<li class='toBanList'><img class='avatarImage' src='" + msg[i]['avatar'] + "'>" + msg[i]['login'] + "<br>" + msg[i]['first_name'] + " " + msg[i]['last_name'] +
"<button class='blockButton2' style='background-color:blue'>Block user</button>\n\
<button class='blockButton1' style='background-color:blue'>Block chat</button></li>");
}
}
});
});
</script>
<script>
$(".blockButton1").click(function() {
$(".blockButton1").css("background-color", "red");
$(".blockButton1").attr("background-color", "red");
})
</script>
I belive the problem is that click() only works on elements that exist in the DOM when you register the handler. Try using on() instead: http://api.jquery.com/on/
In your example:
$(".banSearchResultList").on('click','.blockButton1',function() {
$(this).css("background-color", "red");
});
You will need to use event delegation, since the button is created dynamically, using the on method as follows :
$(".banSearchResultList").on("click", ".blockButton1", function() {
$(this).css("background-color", "red");
})
please use this
$("body").on('click', '.blockButton1', function(e) {
$(this).css("background-color", "red");
});
<script>
$(".submitInput1").click(function() {
event.preventDefault();
$(".toBanList").html("");
$.ajax({
type: "GET"
url: "/searchFriendsToBlock",
dataType: "json",
data: {
},
success: function(msg) {
for (var i = 0; i <= msg.length; i++) {
$(".banSearchResultList").append("<li class='toBanList'><img class='avatarImage' src='" + msg[i]['avatar'] + "'>" + msg[i]['login'] + "<br>" + msg[i]['first_name'] + " " + msg[i]['last_name'] +
"<button class='blockButton2' style='background-color:blue'>Block user</button>\n\
<button class='blockButton1' style='background-color:blue'>Block chat</button></li>");
}
// Adding this line of code.
$(".blockButton1").on('click',function() {
$(".blockButton1").css("background-color", "red");
});
// End
}
});
});
</script>
You have to add commented block of code in success of ajax call otherwise it will not work. Because the syntax I used it only work if your selector is exist in your DOM.
Related
I am trying to create a Like-Unlike system using AJAX and jQuery. The "like" event seems to work properly, but when I want to "unlike" the event is not responding. Any suggestions to solve this problem is appreciated.
$(document).ready(function() {
$(".like").click(function() { //this part is working
var item_id = $(this).attr("id");
var dataString = 'item_id=' + item_id;
$('a#' + item_id).removeClass('like');
$('a#' + item_id).html('<img src="images/loader.gif" class="loading" />');
$.ajax({
type: "POST",
url: "ajax.php",
data: dataString,
cache: false,
success: function(data) {
if (data == 0) {
alert('you have liked this quote before');
} else {
$('a#' + item_id).addClass('liked');
$('a#' + item_id).html(data);
}
}
});
});
$(".liked").click(function() { //this part is not working
var item_id = $(this).attr("id");
console.log(item_id);
var dataString = 'item_id=' + item_id;
$('a#' + item_id).removeClass('liked');
$('a#' + item_id).html('<img src="images/loader.gif" class="loading" />');
$.ajax({
type: "POST",
url: "ajax.php",
data: dataString,
cache: false,
success: function(data) {
if (data == 0) {
alert('you have liked this quote before');
} else {
$('a#' + item_id).addClass('like');
$('a#' + item_id).html(data);
}
}
});
});
});
$(".like") and $(".liked") are retrieved when the document is ready but don't get updated when you add/remove classes from an element.
If you assign a more generic class the vote elements like 'like-toggle' you would be able to do the following:
$(document).ready(function() {
$('.like-toggle').click(function(event) {
if ($(event.target).hasClass('like') {
// Call your unlike code, replace like with liked.
} else {
// Call your like code, replace liked with like.
}
});
});
This will work because the like-toggle class never gets removed from the elements and thus the elements which are present when the document is ready will keep functioning.
I have a feeling there is something wrong with my for loop. When my websites event is activated the first time, I get no response. It works as intended every time after that. I have tried tuning the numbers in the for loop looking for mistakes but as far as what I've tried. It works best as is.
For the full app: https://codepen.io/xcidis/full/KvKVZb/
var reference = [];
function random() {
$.ajax({
url: "https://api.forismatic.com/api/1.0/?",
dataType: "jsonp",
data: "method=getQuote&format=jsonp&lang=en&jsonp=?",
success: function(quote) {
reference.push([quote.quoteText + "<br/><br/><br/><div align='right'>~" + quote.quoteAuthor + "</div>"]);
}
});
}
$("button").click(function(){
random();
for(i=0;i<4; i++){
if(reference[reference.length-1] == undefined){continue}else{
var boxes = $("<div id='boxes'></div>").html("<p>" + reference[reference.length-1] + "</p>");
$('body').append(boxes);
break;
};
};
});
Your rest of the code ran before your ajax push the value to reference variable.
https://www.w3schools.com/xml/ajax_intro.asp
You can either put your page rendering code within the ajax or use some tips to run the rederer synchronously
$("button").click(function(){
$.when( $.ajax({
url: "https://api.forismatic.com/api/1.0/?",
dataType: "jsonp",
data: "method=getQuote&format=jsonp&lang=en&jsonp=?",
success: function(quote) {
reference.push([quote.quoteText + "<br/><br/><br/><div class='tweet' align='left'></div><div align='right'>~" + quote.quoteAuthor + "</div>"]);
}
})).then(function() {
console.log(reference)
for(i=0;i<4; i++){
if(reference[reference.length-1] == undefined){continue}else{
var boxes = $("<div id='boxes'></div>").html("<p>" + reference[reference.length-1] + "</p>");
$('body').append(boxes);
break;
};
};
});
});
I hired a developer to help with some work, he was mostly PHP focused and attempted this javascript. The following AJAX script breaks the page whenever it reloads the HTML into the DOM. It called a function via Codenigniter to reload the view within the page. Once this happens, all of the javascript no longer works.
I can't seem to find a solution that helps solve this issue. Please help.
Note: Ideally I would of rather the code only loaded the data and not refresh the HTML, but for now this will need to do as I am up against a timeline.
The code:
$(document).ready(function () {
// Ajax Form Submit
$('body').on('click', '.submitForm', function () {
var formid = $(this).parents('form').attr('id');
var validationResult = $('#' + formid).validationEngine('validate');
if (!validationResult) {
return false;
}
var url = $('#' + formid).attr('action');
var formdata = $('#' + formid).serialize();
if ($('#' + formid).find('.submitForm').hasClass('loading')) {
$(this).hide();
$('#' + formid).find('.loader').show();
}
$.ajax({
type: "POST",
cache: false,
url: url,
data: formdata,
dataType: 'json',
success: function (data) {
if ($('#' + formid).find('.submitForm').hasClass('loading')) {
$('#' + formid).find('.submitForm').css('display', 'inline');
$('#' + formid).find('.loader').hide();
}
if (data.type == 'add') {
if (data.html) {
var newhtml = "<tr>" + data.html + "</tr>";
$('.tab-pane.active table').append(newhtml);
}
$('#' + formid).find('.message').html(data.msg).show();
$('#' + formid).trigger('reset');
setInterval(function () {
$('#' + formid).find('.message').hide();
}, 5000);
} else {
if (data.error) {
$('#' + formid + ' .message').show().html(data.error);
} else {
$('#' + formid + ' .message').show().html(data.msg);
if (data.reload_loc) {
window.setTimeout(function () {
window.location.href = data.reload_loc;
}, 4 * 1000);
}
}
}
}
});
});
// Generic Save Form Data
$('body').on('click', '#saveFormdata', function () {
var formid = $(this).parents('form').attr('id');
var validationResult = $('#' + formid).validationEngine('validate');
if (!validationResult) {
return false;
}
$('#' + formid).submit();
});
});
You just do something like this:
function bindEvent()
{
$('body').on('click', '.submitForm', function () { //Your code });
$('body').on('click', '#saveFormdata', function () { //Your code});
}
function unblindEvent()
{
$('body').off('click', '.submitForm'); //Something like this, please read Jquery.off
$('body').off('click', '#saveFormdata');
}
Before you replace these element, call unblindEvent(). And after you replace these elements call bindEvent().
$(document).bind('pageinit', function () {
var vendor_id = $.urlParam('vendor_id');
$.ajax({
type: "GET",
url: "http://testservice/testmenu",
data: {
vendor_id: vendor_id
},
error: function () {
alert("Could not get the menu : " + url);
},
success: function parseXml(xml) {
var jsonData = $.parseJSON(xml);
$(jsonData).each(function (index, post) {
$(post).each(function (index, row) {
var finalString = [];
for(var index = 0; index < row.menu.length; index++) {
finalString.push('<div id="collapsibleMenu" data-mini="true" data-role="collapsible" data-inset = "true" data-content-theme="g">');
finalString.push('<h3>' + row.menu[index].category_name + '</h3>');
finalString.push('<ul id="menuDetails" data-role="listview">');
for(var j = 0; j < row.menu[index].products.length; j++) {
var output = ['<li data-icon="addToCart" id="addToCart"> <p>' + row.vendor_menu[index].products[j].prod_name + '</p><p> $' + Number(row.vendor_menu[index].products[j].price).toFixed(2) + '</p>' + '</li>'];
finalString.push(output);
}
finalString.push('</ul></div>');
}
$('#output').append(finalString.join(''));
});
});
$('#output').trigger('create');
}
});
});
function test(prod_id) {
alert("entered test " + prod_id);
addToCart(prod_id, 1);
}
In the following code, where I am doing the following:
<a href="javascript:test("+row.menu[index].products[j].prod_id")">
This is obviously giving me an error. The point is, I need to pass the prod_id dynamically into the javascript test method. I am not sure how to do that. If I just call test without passing prod_id, it works great. Please help!
Try removing the quotes in the argument.
I think I might have figured it out.
Try this.
<a href="javascript:test(\''+row.menu[index].products[j].prod_id+'\')">
This looks like the perfect reason to use a template engine. You might use a Jade template like this:
for post in posts
for row in post
for menu in row.menu
#collapsibleMenu(data-mini="true", data-role="collapsible", data-inset="true", data-content-theme="g")
h3= menu.category_name
ul#menuDetails(data-role="listview")
for product in menu.products
li#addToCart(data-icon="addToCart")
a(href="#", data-product-id=product.prod_id)
p= product.prod_name
p= '$' + Number(product.price).toFixed(2)
Then you can simplify your $.ajax call to:
$.ajax({
// ...
dataType: 'json',
success: function(data) {
$('#output').append(templateFunction(data));
}
});
For the click event, use event delegation:
$('#output').on('click', 'a[data-product-id]', function() {
addToCart(Number($(this).data('product-id')), 1);
});
Easy, yeah? Now change all of your ids to classes, because ids must be unique and yours aren't!
I have an array (via ajax) that looks like this:
data[i].id: gives the id of user i
data[i].name: gives the name of user i
I want to output the array like this:
X Leonardo Da Vinci
X Albert Einstein
X William Shakespeare
...
The X is an image (x.gif) that must be clickable. On click, it must go to functiontwo(), passing the parameter data[i].id. Functiontwo will open a jquery dialog with the question "Delete id data[i].id"?
I know this can't be too hard to do, but I can't seem to figure it out...
This is what I have so far:
function functionone() {
$.ajax({
type : 'POST',
url : 'post.php',
dataType : 'json',
success : function(data){
var message = "";
var i = 0;
while (i < (data.length - 1))
{
var myvar = data[i].id;
message = message + "<div class=" + data[i].id + "><img src=x.gif></div>" + data[i].name + "<br />";
$('#somediv').html(message).fadeIn('fast');
$("." + data[i].id + "").click(function () {
functiontwo(myvar);
});
i++;
}
}
});
}
function functiontwo(id) {
...}
I know why this isn't working. Var i gets populated again and again in the while loop. When the while loop stops, i is just a number (in this case the array length), and the jquery becomes (for example):
$("." + data[4].id + "").click(function () {
functiontwo(myvar);
});
, making only the last X clickable.
How can I fix this?
Thanks a lot!!!
EDIT:
This is my 2nd function:
function functiontwo(id) {
$("#dialogdelete").dialog("open");
$('#submitbutton').click(function () {
$('#submitbutton').hide();
$('.loading').show();
$.ajax({
type : 'POST',
url : 'delete.php',
dataType : 'json',
data: {
id : id
},
success : function(data){
var mess = data;
$('.loading').hide();
$('#message').html(mess).fadeIn('fast');
}
});
//cancel the submit button default behaviours
return false;
});
}
In delete.php there's nothing special, I used $_POST['id'].
As I pointed out in my comment. The problem is the .click part. Either use bind, or use a class for all the elements, and a click-event like this $('.classnamehere').live('click',function () { // stuff });
function functionone() {
$.ajax({
type : 'POST',
url : 'post.php',
dataType : 'json',
success : function(data){
var message = "";
var i = 0;
while (i < (data.length - 1))
{
var myvar = data[i].id;
message = message + "<div class=\"clickable\" id=" + data[i].id + "><img src=x.gif></div>" + data[i].name + "<br />";
$('#somediv').html(message).fadeIn('fast');
i++;
}
}
});
}
$('.clickable').live('click',function () {
alert($(this).attr('id') + ' this is your ID');
});
The usual trick is create a separate function to create the event handler. The separate function will receive i as a parameter and the generated event will be able to keep this variable for itself
make_event_handler(name){
return function(){
functiontwo(name);
};
}
...
$("." + data[i].id + "").click( make_event_handler(myvar) );