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How to deal with JavaScript when trying to fetch web page in C#.NET/WPF?


How to deal with JavaScript when trying to fetch web page in C#.NET/WPF?

By : Locateur
Date : November 20 2020, 07:00 PM
may help you . To do this in managed code would essentially mean writing your own browser. I expect that to do what you want the simplest approach would be to drop a WebBrowser control into the page (essentially re-hosting IE) and use that. There are other hostable controls, of course - but that is the simplest for Windows.
code :


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javascript: how to fetch the content of a web page

javascript: how to fetch the content of a web page


By : user2835649
Date : March 29 2020, 07:55 AM
like below fixes the issue use a server-side proxy like a php-page that reads the desired page and then make ajax calls to that proxy through javascript :
code :
var req = new XMLHttpRequest();

req.open('GET', 'proxy.php?url=http://www.google.com', false);
req.send(null);

if(req.status == 200) {
   alert(req.responseText);
}
AJAX page fetch ignores javascript on page

AJAX page fetch ignores javascript on page


By : user3604536
Date : March 29 2020, 07:55 AM
Does that help I am calling an ajax script to fetch a content of a page and then replace the current contents with the fetched one. One problem I am facing is that there is a javascript on the fetched page which doesnt get rendered and is treated as text. How do I make sure that the javascript gets loaded? , write javascript(fetched page) code in main page.
for example:
code :
$.ajax({
    url: "your fetched page url", 
    dataType: "html",
    type: 'POST',
    data: "your data", 
    success: function(data){ 
    $("#result").html(data); //call back div
        //put your javascript code from fetched page here               
    }
});
how to fetch a result from php page using javascript?

how to fetch a result from php page using javascript?


By : mk_scisystems
Date : March 29 2020, 07:55 AM
will help you what i am trying is to fetch a data from my php page using javascript,but it seems that the javascript is not working properly.in this when click my submit button the datas should be sent to the action page,but i dont want to go to the php page and the result in php page should be displayed in the intial page(in this at div id:result) , complete working html code:-
code :
     <!DOCTYPE>
<html>
<head>
<title>REGESITER</title>
<script src="http://code.jquery.com/jquery-1.11.3.min.js"></script>
<script>
$( document ).ready(function() {
        $( "#sub" ).click(function(event) {

             $.post('helper.php',
             $("#myform :input").serializeArray(),
             function (data) {
                 $("#res").empty();
                 $("#res").html(data);
             });


     });
});
        </script>
</head>
<body>



<form id="myform" action=""  method="post">

FIRSTNAME:<input type="text" name="txtfname" id="fname">
<br><br>
LASTNAME:<input type="text" name="txtlname" id="lname">
<br><br>
AGE:<input type="text" name="txtage" id="age">
<br><br>
<input type="button" id="sub" value="Enter" />


</form>

<div id="res">Result</div>
</body>
</html>
Detect fetch API request on web page in JavaScript

Detect fetch API request on web page in JavaScript


By : mangesh
Date : March 29 2020, 07:55 AM
it fixes the issue Yes, you can overwrite window.fetch with your own function that calls the original window.fetch after (or before) running your own code:
code :
const nativeFetch = window.fetch;
window.fetch = function(...args) {
  console.log('detected fetch call');
  return nativeFetch.apply(window, args);
}

fetch('https://cors-anywhere.herokuapp.com/')
  .then(res => res.text())
  .then(text => console.log(text.split('\n')[0]));
How to deal with sigle quote in javascript in jsp page?

How to deal with sigle quote in javascript in jsp page?


By : Malvinder Singh
Date : March 29 2020, 07:55 AM
it fixes the issue When a dynamic String can be put inside a JavaScript string literal, it should be JS-escaped. Just as when a dynamic String is put inside a HTML page, it's HTML-escaped.
Use commons-lang StringEscapeUtils.escapeECMAScript (or escapeJavaScript depending on the version) to escape the String. You could create a very simple EL function to do that straight from the JSP.
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