Store a session variable in html/javascript

Store a session variable in html/javascript

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I'm trying to grab a session variable in my javascript, but have some problems getting it right.. I didn't get that to work, so instead i tried to store it in a hidden variable in HTML first, but i dont know how to store a session variable there.. Can anyone guide me to the right path?

The code (HTML file): ($_SESSION["price1"] is equal to "20.00")

<input type="hidden" id="price" value="$_SESSION["price"]"/>

The code in javascript:

    var sessionValue = document.getElementById("price").value;

What to do?


you missed PHP tags <?php and echo, change to:

<input type="hidden" id="price" value="<?php echo $_SESSION["price"]; ?>"/>

How to access Session variables and set them in javascript?, To access it you must make an HTTP request and have a server side program modify / read & return the data. Assign value to a hidden field in the code-behind file. Access this value in your javascript like a normal HTML control. You can't set session side session variables from Javascript . Definition and Usage The localStorage and sessionStorage properties allow to save key/value pairs in a web browser. The sessionStorage object stores data for only one session (the data is deleted when the browser tab is closed). Tip: Also look at the localStorage property which stores data with no expiration date.


What everyone bellow mentioned is perfectly true, inside HTML you can just wrap stuff in <?php echo $_SESSION['price']; ?> and it will work (notice the <?php tags)

However, the right way to do this -- considering you want to pass a PHP variable (in your case a session variable) to javascript is to directly insert it into a javascript variable instead of accessing the DOM. This way, you also have it instantly and don't have to wait for the DOM to be loaded

<script>
var price = '<?php echo $_SESSION["price"]; ?>';
alert('The price is: ' + price);
</script>

Window sessionStorage Property, of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML. The localStorage and sessionStorage properties allow to save key/value pairs The sessionStorage object stores data for only one session (the data is� Session Storage simply stores the value on the basis of key/value pairs and Session Storage can store megabytes of values; the exact size depends on the browser implementation. For IE8 it is 10 MB. In HTML5 we can store the value of any element into a session variable and we can also fetch the stored value and display them on the webpage.


This line:

<input type="hidden" id="price" value="$_SESSION["price"]"/>

Should be:

<input type="hidden" id="price" value="<?php echo $_SESSION["price"];?>"/>

You are missing the php tags

HTML Web Storage API, HTML web storage provides two objects for storing data on the client: sessionStorage - stores data for one session (data is lost when the browser tab is closed). window.sessionStorage - stores data for one session (data is lost when the browser tab is closed) Before using web storage, check browser support for localStorage and sessionStorage: if ( typeof (Storage) !== "undefined") {. // Code for localStorage/sessionStorage. } else {. // Sorry!


change,

<input type="hidden" id="price" value="$_SESSION["price"]"/>

To,

<input type="hidden" id="price" value='<?php echo $_SESSION["price"]; ?>'/>

Storing and Retrieve Value Using Session Storage in HTML5, Session Storage simply stores the value on the basis of key/value pairs and Session Step 1: HTML5 uses JavaScript to store and access the data. DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"� I get a session variable from a login form and then redirect to another page: How can I get the session var and use it in the html code? asp.net session.


Grab your session variable in JavaScript using this:

var my_session_price = "<?php echo $_SESSION["price"]; ?>";

How To Use Session Value Client Side Using JavaScript In ASP.NET, how to use the value of session variable Client-side using JavaScript <html xmlns="http://www.w3.org/1999/xhtml">; <head>; <title>How to� If you're not using ASP.NET or PHP, or classic ASP, or J2EE, or SOMETHING, then there IS no server and therefore no session. You cannot use javascript, which runs on the client, to access server side variables and if your whole site is HTML, then there IS no session, and no server. singh7pankaj 4-Jul-11 3:17am


PHP: $_SESSION, An associative array containing session variables available to the current script. See the Session Reference: http://gencbilgin.net/php-session-kullanimi.html. Here PHP is server-Side execution and JavaScript is Client side execution. and $_SESSION is a server-side construct.So probably you can not access that directly using JavaScript You would need to store that variable in $_COOKIE to be able to access it client-side.


Main Tips on PHP Sessions: PHP Session Variables Explained, Complete tutorial on PHP Sessions: discover PHP session variables like PHP $ _session and learn That particular data, now held in the form of variables, is temporarily stored on the server. DOCTYPE html> <html> <body> <?php // Set session variables $_SESSION["color"]= HTML � CSS � JavaScript� In computer programs, variables are often declared without a value. The value can be something that has to be calculated, or something that will be provided later, like user input. A variable declared without a value will have the value undefined. The variable carName will have the value undefined after the execution of this statement:


How to capture a value set in JavaScript and save it in a session , html(objArr[0]).text();. The value displays on my web page. Now I want to save this value as a session variable since I need to pass it on to� This is more of a Java Script question, however I am using MVC.net. What I need to know is how to set a session variable using Java Script. I just need to set it to null.