Reloading full html code from response on current page - javascript

As I get full html code from python using render_template,
I want to reload full html code on current page.
I know I could use form method, and I know to use $('#A').html(response)
form method : I do not use submit button,, so this is not what i am looking for.
$('#A').html(response) : This adds the code from where id A. When using this code my full html code duplicate inside current page, not overwrapping
So, I need how to reload my current page with responed full html code
I also tried
$.post('/cccc',{user_id: id}, function(response){
window.location.replace(html(response));
}
);
But this also occur html not defined errors.
Can someone give me some help?

You need to use document.write()
$.post('/cccc',{user_id: id}, function(response){
document.open();
document.write(response);
document.close();
});
Demo
<html>
<script>
function replace(){
const newhtml = '<html><body style="background-color: white"><p>New Content</p></body></html>';
document.open()
document.write(newhtml);
document.close();
}
</script>
<body>
<p>Old Content</p>
<a href='javascript:replace()'>Replace</a>
</body>
</html>
JsFiddle Demo

Related

function on javascript can't remove

how to remove ALL DOM in specific id, we know http://jsfiddle.net can test javascript for all condition.
directory file:
\root
\root\index.php
\root\load.php
index.php have script tag id='index' and this index.php using .load() (jQuery) for load.php, in load.php have script tag id='load',
i try use this method (in load.php for clean DOM from index.php):
$(document).ready(function(){
$("#index").remove();
});
but this not remove DOM Function, why??
EDIT :
This trouble is DOM cant be remove
i needed is delete a < script id='index' > and DOM Function (ALL FROM THIS TAG) if i loaded "load.php"
You can't use multiple elements with same id if you want to do so you need to use classes instead:
$(document).ready(function(){
$(".index").remove();
});
UPDATE
if what you want to hide your script when you load another file you could do so by surrounding your script between a div to hide for example:
<div class="divtohide">
<script>
$(document).ready(function(){
$("button").click(function(){
$(".test").load("load.php");
});
});
</script>
</div>
and in your load.php you could create a script to remove the .divtohide div:
<script>
$(document).ready(function(){
$(".divtohide").remove();
});
</script>
Your JavaScript will be run at .load(). So, we need to remove the string before loading the content into the webpage. I decided to use $.get, which will fetch the information as text. Then I run the data through a regex that will remove script#index. From there, I then append it to the page (for testing). If you notice there is no console.log's despite it being in the source of removeIndex.html, that's because we have successfully removed the JavaScript at script#index.
$.get("http://neil.computer/stack/removeIndex.html", function (data) {
data = data.replace(/<script.+?id=["']index["'](.|[\r\n])*?<\/script>/gi,"");
$("#container").html(data);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="container"></div>
removeIndex.html
This file has some sample input:
<div>
Testing stuff
</div>
<script id="index">
console.log("ignore me");
</script>
<div>
Testing more stuff
</div>

$.post() Get url of php in html

I am making an html script that will use jQuery.post() method in order to use a php script. The post() method needs an url of the php code but my php code is part of the html code
What Url should i use?
<html>
<body>
<button onclick="test()">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/jquery.min.js"></script>
<script>
var test = function() {
$('--I DONT KNOW--',{testvar:"hello"});
}
</script>
<?php
$testvar = $_POST['testvar'];
echo $testvar;
?>
</body>
</html>
An empty URL is a relative URL that resolves as the URL of the current page.
$.post("", {testvar:"hello"});
(Keep in mind that since your PHP does nothing with the data except output it, and your JS does nothing with the response, this will have no visible effect outside of the Network tab of your browser's developer tools).

Get a javascript derived dom-tree element

My aim is to get an element <div id="calender"> and all what is in the element shown in a browser. The point is that normal get-html-source won't do the thing. The element what I am looking for does not exists in the html output of php-function file_get_contents.
I have tried to get the source by php with xpath byt the help of http://us3.php.net/manual/en/class.domxpath.php which inludes a nice tool to get what is in any tag in the html page. But the problem here might be that the element (a calender) is formed to the loaded page by javascript and cannot be caught by server side php. So, is there a way I can catch such element (div) by javascript instead.
There are script examples of javascript for this kind of problem (if I have understood them correctly) but currently I cannot get a simple javascript to work. An example below shows how I have tried to built up a code. $ajax thing here is just one path I have tried to solve the problem but don't know how to use it. More here I cannot figure out why the simple javascript functions do not work (just test purposes).
<!doctype html>
<html lang="fi">
<head>
<meta charset="utf-8">
<title>load demo</title>
<style>
body {
font-size: 12px;
font-family: Arial;
}
</style>
<script type="text/javascript">
function ok {
alert "OK";
}
function get_html (my_html){
alert "OK";
var l = document.getElementById('my_link').value;
alert l;
alert my_html;
var url = my_html;
$.ajax({
url: url,
dataType: 'html'
success: function(data){
//do something with data, which is the page 1.html
var f = fs.open("testi_kalenteri.html", "w");
f.write(data);
f.close();
alert "data saved";
}
});
}
</script>
</head>
<body>
<p id ='my_link' onclick='get_html("lomarengas.fi/en/cottages/kuusamo-rukasaukko-9192")'>html-link</p>
<p id ='ok' onclick='ok()'>show ok</p>
</body>
</html>
Briefly, I have a link to a web page, which shows up a (booking) calendar in it but this calendar is missing in the "normal" source code, by file_get_contents (php). If I browse the html source with Chromes tools (F12) I can find the calendar there. T want that information get by javascript or by php or such.
If you read the source code of the page you point to (http://www.yllaksenonkalot.fi/booking/varaukset_akas.php), you notice that the calendar is loaded via an iframe.
And that iframe points to that location :
http://www.nettimokki.com/bookingCalendar.php?id_cottage=3629&utm_source=widget&utm_medium=widget&utm_campaign=widget
Which is in fact the real source of the calendar...
EDIT following your comment on this answer
Considering the real link : http://www.lomarengas.fi/en/cottages/kuusamo-rukasaukko-9192
If the calendar is not part of the generated html, it is surely asynchronously generated (in javascript, client side).
From this asumption, I inspected the source code (again).
In the developper tools of my browser, in the Network section, where you can monitor what files are loaded, I looked for
calls to server (everything but calls to resources : images, stylesheets...).
I then noticed calls to several urls with json file extensions like http://www.lomarengas.fi/api-ib/search/availability_data.json?serviceNumber=9192&currentMonthFirstDate=&duration=7.
I felt I was on the right track (asynchronous javscript calls to generate html with json datas), I looked for javascript code or files that was not the usual libraries files (jquery, bootstrap and such).
I stumbled upon that file : http://www.lomarengas.fi/resources_responsive/js/destination.js.
It contains the code that generates asynchronously the calendar.
tl;dr
The calendar is indeed generated asynchronously.
You can't get the full html with a curl or file_get_content in PHP and
you can't access it with ajax code (due to Same-origin policy).
By the way, you should contact the site to see if you can access their api via PHP with their consent.
Hope it helped you understand the whole thing...
To get <div id="calender"> you can use next code (jquery):
<div id="calender"></div>
<script>
$("#calendar").click(function(){
alert('calendar was clicked');
});
</script>
If I understand you correctly. I think you need appropriate php respond with some correct code inside php file:
// json_handler.php
<?php
if (is_ajax()) {
$return = $_POST;
$return["ok"]="ok";
$return["json"] = json_encode($return);
echo json_encode($return);
}
function is_ajax()
{
return isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest';
}
and this is script wich is inside html:
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
</head>
<body>
<a id="click">click</a>
<script>
$("document").ready(function(){
$("#click").click(function(){
var data = {
"request": "request"
};
data=$.param(data);
// alert(data);
$.ajax({
type: "POST",
dataType: "json",
url: "json_handler.php",
data: data,
success: function(data) {
// here you will see echo respond from your php json_handler.php
// also you can add here more javascript (jquery code) to change your page after respond
alert();
}
});
return false;
});
});
</script>
<body>
<html>
http://www.w3schools.com/jquery/jquery_ajax_intro.asp

Add div while ajax loading

I put this code:
<script type='text/javascript' src='http://code.jquery.com/jquery-2.1.0.min.js'></script>
<script type="text/javascript">
$(document).ajaxStart(function() {
$("#loading-image").show();
});
$(document).ajaxStop(function() {
$("#loading-image").hide();
});
on the top of the page...
and I have HTML:
<body style="">
<div id="loading-image" style="width:100%; height:100%; background:#ccc; display:none;"></div>
But I dont see ID loading image on ajax... What can be a problem here?
From the limited amount that you posted, it doesn't look like you're actually making an AJAX request. http://jsfiddle.net/volte/A66C8/
Try then making an ajax call when the page loads:
$.ajax({
url: "test.html",
context: document.body
});
Disclaimer: I have not tested this. Pulled from http://api.jquery.com/jQuery.ajax/
In addition, make sure you wrap those methods in an onload. Most people do:
(function() {
//... your code here ...
//... will be run on load...
});
The code doesn't seems to have anything wrong, make sure that those methods are in fact beeing called whenever you use ajax, put a breakpoint in the element inspector. Also check if when you manually remove display:none from the "loading-image" div you can see it on the screen, just to be sure.

jquery ajax parse response text

Ok this is really frusturating me because I've done this a hundred times before, and this time it isn't working. So I know I'm doing something wrong, I just can't figure it out.
I am using the jQuery .get routine to load html from another file. I don't want to use .load() because it always replaces the children of the element I'm loading content into.
Here is my .get request:
$(document).ready(function() {
$.get('info.html', {}, function(html) {
// debug code
console.log($(html).find('ul').html());
// end debug code
});
});
The file 'info.html' is a standard xhtml file with a proper doctype, and the only thing in the body is a series of ul's that I need to access. For some reason, the find function is giving me a null value.
In firebug, the GET request is showing the proper RESPONSE text and when I run
console.log(html);
Instead of the current console.log line, I get the whole info.html as output, like I would expect.
Any ideas?
You cannot pull in an entire XHTML document. You can only handle tags that exist within the <body> of an html document. Frustrating. Strip everything from info.html that isn't within your <body> tag and try it again.
There are other potential ways around this issue - check below "Stackoverflow Related Items" at the base of this response.
From the Doc: (http://docs.jquery.com/Core/jQuery#htmlownerDocument)
"HTML string cannot contain elements that are invalid within a div, such as
html, head, body, or title elements."
Stackoverflow Related Items:
Simple jQuery ajax example not finding elements in returned HTML
What is the best practice for parsing remote content with jQuery?
I know this is an old post but I've been having the EXACT same frustrating problem for a couple of hours and have found a solution. For me what actually worked was to have the html content wrapped with a form tag.
So having the following html source:
<html>
<head>
<body>
<form>
<div id="content">Some Stuff</div>
</form>
</body>
</head>
</html>
With this jquery snippet should work:
var callback = function (data) {
alert($("#content", $(data)).html());
};
$.get(url, null, callback, null);
Hope this helps...
I have found this being pretty clean solution:
var elementInResponse = $("<div>").html(responseText).find(selector);
Wanting to do the same thing and knowing that JQuery load(..) does it, I had a look in the code. While you can't turn a complete html response directly into a JQuery object, you can append it to one so:
function(data, textStatus, xhr) {
$(target).html(jQuery("<div>").append(data).find("#snippet"));
// Create a dummy div to hold the results,
// inject the contents of the document into it,
// Locate the specified elements
}
The response from the server that goes into data is like:
<! doctype ... >
<html>
<head>
...
</head>
<body>
<div id="snippet">
<p>Some content here that we are interested in</p>
</div>
</body>
</html>
Try including whole body within a <div> tag, e.g. <body><div>content</div></body>.

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