I am using jquery load function in my application's masterpage.html and it is working fine. But the problem is i need to put Jquery.min.js in all my content pages in order to use jquery functionality in my content page. I don't want to include it in all pages. It should refer from my master page.
<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js">
<script type="text/javascript">
function loadContent(pagename)
{
$("#output").load(pagename);
}
</script>
</head>
<body>
About
<div id="output"></div>
</body>
</html>
about.html
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js">
<div id="content">
This is about page !!
</div>
As you see my about.html again am including jquery in order to use it in my about.html page. How to avoid this in all pages ? Please help
No, it is not possible . You have to include it in all pages where you are using jquery
Instead of referring to the url like below ,
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js">
You can download the jquery library to your project path and use it like
<script src="project_name/folder_name/jquery.min.js">
But it is compulsory to include jquery in all pages
Hope this helps !!
I can't give you a best answer, these is my advice
the jQuery file had better include at the bottom in body tag.
If you use the jQuery,you must include it.
Related
I have issue in my project in Eclipse.I have Dynamic Web Project which consists of jsp,html and javascript files in it.It displays html content for a fraction of second before loading actual html content with js and CSS ad ons. I couldn't find issue in the code.Is there anything I am missing?
This is the order in which I have included all my css and js files:
<html>
<head>
<style><%#include file="/WEB-INF/style.css"%></style>
<style><%#include file="/WEB-INF/jquery-ui.css"%></style>
<style><%#include file="/WEB-INF/jqueryui-com.css"%></style>
<script src="https://code.jquery.com/jquery-3.5.1.min.js" integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0=" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js" integrity="sha256-KM512VNnjElC30ehFwehXjx1YCHPiQkOPmqnrWtpccM=" crossorigin="anonymous"></script>
<script type="text/javascript" src="${pageContext.request.contextPath}/js/file.js"></script>
</head>
I know this might be a duplication question, but I couldn't find the answer for this simple question. I want to load a new jsp file in a dialog and a div.
Structure:
-WebContent
-jsp
-viewfolder
-helloworld.jsp
-helloworldedit.jsp
-newworld.jsp
let's say I have helloworld.jsp which is loaded from request dispatcher. I want to load newworld.jsp in a div tag in helloworld.jsp.
<div id="result"></div>
$('#result').load('/jsp/viewfolder/newworld.jsp');
Tried the above code, didn't work.
I have also tried to load a jsp page into a dialog and this one has failed too.
<button id="button">button</button>
<div id="dialog"></div>
$('#button').on("click", function() {
$('#dialog').load('/jsp/viewfolder/helloworldedit.jsp').dialog();
});
The question I have is, this is the right way to call the jsp page or do I have to load the page from request dispatcher using ajax.
To test if the path is correct, I tried to put a calendar.gif in the same folder and I was able to reach it from the context.
http://localhost:port/.projectcontext/jsp/viewfolder/calendar.gif.
You have to wait for DOM ready event:
$(document).ready(function() {
$('#button').on("click", function() {
$('#dialog').load('/.projectcontext/jsp/viewfolder/helloworldedit.jsp').dialog();
});
});
Try below code :-
Suppose you have a div in newworld.jsp which contains all data which you want to load in another div which is present in helloworld.jsp
newworld.jsp
<!doctype html>
<html>
<body>
<div id="target">
<!-- other HTML controls -->
</div>
</body>
</html>
helloworld.jsp
Click Me
<div id="page"></div>
<script>
function loadPage(){
$('#page').load('newworld.jsp #target');
or
// If you choose this method then give path of JSP to be loaded in
// anchor tag
$('#page').load($(this).attr('href'));
return false;
}
</script>
OR
You can use JSP include tag like this
<div id="page" style="width:300px; height:300px;">
<jsp:include page="path of the page to be loaded"></jsp:include>
</div>
This question already has answers here:
Parse JavaScript with jsoup
(2 answers)
Closed 9 years ago.
I've got a webpage that creates a table using Javascript. Right now I'm using JSoup in my Java project to parse the webpage. By the way JSoup isn't able to run Javascript so the table isn't generated and the source of the webpage is incomplete.
How can I include the HTML code created by that script in order to parse its content using JSoup? Can you provide a simple example? Thank you!
Webpage example:
<!doctype html>
<html>
<head>
<title>A blank HTML5 page</title>
<meta charset="utf-8" />
</head>
<body>
<script>
var table = document.createElement("table");
var tr = document.createElement("tr");
table.appendChild(tr);
document.body.appendChild(table);
</script>
<p>First paragraph</p>
</body>
</html>
The output should be:
<!DOCTYPE html>
<html>
<head>
<title>
A blank HTML5 page
</title>
<meta charset="utf-8"></meta>
</head>
<body>
<script>
var table = document.createElement("table");
var tr = document.createElement("tr");
table.appendChild(tr);
document.body.appendChild(table);
</script>
<table>
<tr></tr>
</table>
<p>
First paragraph
</p>
</body>
</html>
By the way, JSoup doesn't include the table tag as it isn't able to execute Javascript. How can I achieve this?
First possibility
You have some options outside Jsoup, i.e. employing a "real" browser and interact with it. An excellent choice for this would be selenium webdriver. With selenium you can use different browsers as back end, and maybe in your case the very lightweight htmlUnit would do already. If more complicated JavaScript is called there is often no other choice then running a full browser. Luckily, phantomjs is out there and its footprint is not too bad (headless and all).
Second possibility
Another approach could be that you grab the javascript source with JSoup and start a JavaScript interpreter within Java. For that you could use Rhino. However, if you go that path you might as well use HtmlUnit directly, which is probably a bit less bulky.
I'm planning my website structure as following:
header.scala.html
XXX
footer.scala.html
now, instead of "xxx" there should be a specific page (i.e. "UsersView.scala.html").
what I need is to include (like with well-known languages) the source of the footer and the
header into the the middle page's code.
so my questions are:
How do you include a page in another with scala templating?
Do you think it's a good paradigm for Play! framework based website?
Just call another template like a method. If you want to include footer.scala.html:
#footer()
A common pattern is to create a template that contains the boilerplate, and takes a parameter of type HTML. Let's say:
main.scala.html
#(content: HTML)
#header
// boilerplate
#content
// more boilerplate
#footer
In fact, you don't really need to separate out header and footer with this approach.
Your UsersView.scala.html then looks like this:
#main {
// all your users page html here.
}
You're wrapping the UsersView with main by passing it in as a parameter.
You can see examples of this in the samples
My usual main template is a little more involved and looks roughly like this:
#(title: String)(headInsert: Html = Html.empty)(content: Html)(implicit user: Option[User] = None)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>#title</title>
// bootstrap stuff here
#headInsert
</head>
<body>
#menu(user)
<div id="mainContainer" class="container">
#content
</div>
</body>
</html>
This way a template can pass in a head insert and title, and make a user available, as well as content of course.
Play provide a very convenient way to help implement that!
Layout part from official docs:
First we have a base.html (that's we call in django -_-)
// views/main.scala.html
#(title: String)(content: Html)
<!DOCTYPE html>
<html>
<head>
<title>#title</title>
</head>
<body>
<section class="content">#content</section>
</body>
</html>
How to use the base.html?
#main(title = "Home") {
<h1>Home page</h1>
}
More information here
How can I read/access a JSP variable from JavaScript?
alert("${variable}");
or
alert("<%=var%>");
or full example
<html>
<head>
<script language="javascript">
function access(){
<% String str="Hello World"; %>
var s="<%=str%>";
alert(s);
}
</script>
</head>
<body onload="access()">
</body>
</html>
Note: sanitize the input before rendering it, it may open whole lot of XSS possibilities
The cleanest way, as far as I know:
add your JSP variable to an HTML element's data-* attribute
then read this value via Javascript when required
My opinion regarding the current solutions on this SO page: reading "directly" JSP values using java scriplet inside actual javascript code is probably the most disgusting thing you could do. Makes me wanna puke. haha. Seriously, try to not do it.
The HTML part without JSP:
<body data-customvalueone="1st Interpreted Jsp Value" data-customvaluetwo="another Interpreted Jsp Value">
Here is your regular page main content
</body>
The HTML part when using JSP:
<body data-customvalueone="${beanName.attrName}" data-customvaluetwo="${beanName.scndAttrName}">
Here is your regular page main content
</body>
The javascript part (using jQuery for simplicity):
<script type="text/JavaScript" src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.1/jquery.js"></script>
<script type="text/javascript">
jQuery(function(){
var valuePassedFromJSP = $("body").attr("data-customvalueone");
var anotherValuePassedFromJSP = $("body").attr("data-customvaluetwo");
alert(valuePassedFromJSP + " and " + anotherValuePassedFromJSP + " are the values passed from your JSP page");
});
</script>
And here is the jsFiddle to see this in action http://jsfiddle.net/6wEYw/2/
Resources:
HTML 5 data-* attribute: https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Using_data_attributes
Include javascript into html file Include JavaScript file in HTML won't work as <script .... />
CSS selectors (also usable when selecting via jQuery) https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_started/Selectors
Get an HTML element attribute via jQuery http://api.jquery.com/attr/
Assuming you are talking about JavaScript in an HTML document.
You can't do this directly since, as far as the JSP is concerned, it is outputting text, and as far as the page is concerned, it is just getting an HTML document.
You have to generate JavaScript code to instantiate the variable, taking care to escape any characters with special meaning in JS. If you just dump the data (as proposed by some other answers) you will find it falling over when the data contains new lines, quote characters and so on.
The simplest way to do this is to use a JSON library (there are a bunch listed at the bottom of http://json.org/ ) and then have the JSP output:
<script type="text/javascript">
var myObject = <%= the string output by the JSON library %>;
</script>
This will give you an object that you can access like:
myObject.someProperty
in the JS.
<% String s="Hi"; %>
var v ="<%=s%>";
<%#page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script
src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js">
<title>JSP Page</title>
<script>
$(document).ready(function(){
<% String name = "phuongmychi.github.io" ;%> // jsp vari
var name = "<%=name %>" // call var to js
$("#id").html(name); //output to html
});
</script>
</head>
<body>
<h1 id='id'>!</h1>
</body>
I know this is an older post, but I have a cleaner solution that I think will solve the XSS issues and keep it simple:
<script>
let myJSVariable = <%= "`" + myJavaVariable.replace("`", "\\`") + "`" %>;
</script>
This makes use of the JS template string's escape functionality and prevents the string from being executed by escaping any backticks contained within the value in Java.
You could easily abstract this out to a utility method for re-use:
public static String escapeStringToJS(String value) {
if (value == null) return "``";
return "`" + value.replace("`", "\\`") + "`";
}
and then in the JSP JS block:
<script>
let myJSVariable = <%= Util.escapeStringToJS(myJavaVariable) %>;
</script>
The result:
<script>
let myJSVariable = `~\`!##$%^&*()-_=+'"|]{[?/>.,<:;`;
</script>
Note: This doesn't take separation of concerns into consideration, but if you're just looking for a simple and quick solution, this may work.
Also, if you can think of any risks to this approach, please let me know.