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Front End Technology Articles
Page 525 of 652
How to customize the position of an alert box using JavaScript?
To customize the position of an alert box, use the CSS “top” and “left” properties. We have a custom alert box, which we’ve created using jQuery and styled with CSS.ExampleYou can try to run the following code to customize the position of an alert box −Live Demo function functionAlert(msg, myYes) { var confirmBox = $("#confirm"); confirmBox.find(".message").text(msg); confirmBox.find(".yes").unbind().click(function() { confirmBox.hide(); ...
Read MoreHow to create a session only cookies with JavaScript?
To create a session only cookie, you need to set the expiration date of the cookie to be some years ahead. You need to set the expire attribute −current time + 5 yearsThe expire attribute shows the date the cookie will expire. If this is blank, the cookie will expire when the visitor quits the browser.Note − Do not consider removing the expire value to create a session only cookie. This won’t work. Set the expire attribute to the future date.
Read MoreHow much data can I store in JavaScript cookies?
The following are the details of the date you can store in JavaScript cookies −Web BrowserMaximum cookiesMaximum size per cookieGoogle Chrome1804096 bytesFirefox1504097 bytesOpera1804096 bytesAndroid504096 bytes
Read MoreWhat is the shortest function of reading a cookie by name in JavaScript?
Here’s the best way to read cookies by name in JavaScript. The following is the function −function ReadCookie() { var allcookies = document.cookie; document.write ("All Cookies : " + allcookies ); // Get all the cookies pairs in an array cookiearray = allcookies.split(';'); // Now take key value pair out of this array for(var i = 0; i < cookiearray.length; i++) { name = cookiearray[i].split('=')[0]; value = cookiearray[i].split('=')[1]; document.write ("Key is : " + name + " and Value is : " + value); } }
Read MoreWhat is the maximum size of a web browser's cookies value?
The following are the details of the maximum size of web browser’s cookies value −Web BrowserMaximum cookiesMaximum size per cookieGoogle Chrome1804096 bytesFirefox1504097 bytesOpera1804096 bytesAndroid504096 bytes
Read MoreHow to store large data in JavaScript cookies?
To store large values in JavaScript cookies, try the following possibilities −Create a "session id" and save the settings in a database. Then store the session id in the cookie.Store the indexes of the selected items. Let’s say the selected items are the first 20 items on the list −P[0,19]Create a table to store cookies data such as −[ data_id , data , data_create , date_expire ]Store data_id in a table and when a user visits, get the data_id in cookies.
Read MoreHow can I list all cookies on the current page with JavaScript?
While creating a cookie, use the “path” parameter. The path to the directory or web page set the cookie. This may be blank if you want to retrieve the cookie from the current page. By default, the cookie belongs to the current page.ExampleTo list all cookies for the current page, try the following code −Live Demo function ReadCookie() { var allcookies = document.cookie; document.write ("All Cookies : " + allcookies ); // Get all the cookies pairs in an array cookiearray = allcookies.split(';'); // Now take key value pair out of this array for(var i=0; i
Read MoreHow to set multiple cookies in JavaScript?
With JavaScript, to set more than one cookie, set document.cookie more than once using the; separator.ExampleYou can try to run the following code to set multiple cookies −Live Demo var num=1; function addCookie() { document.cookie=num+"="+num; num++; } function listCookies() { var result = document.cookie; document.getElementById("list").innerHTML=result; } function removeCookies() { var res = document.cookie; var multiple = res.split(";"); for(var i=0;i
Read MoreHow to create domain-based cookies using JavaScript?
To create a domain-based cookie, set the domain and path attribute on your cookie, like −domain=.example.comExampleYou can try to run the following code to learn how to create domain-based cookies −Live Demo Enter name:
Read MoreHow to set a cookie and get a cookie with JavaScript?
Set CookieThe simplest way to create a cookie is to assign a string value to the document.cookie object, which looks like this:document.cookie = "key1=value1;key2=value2;expires=date";Here the “expires” attribute is optional. If you provide this attribute with a valid date or time, then the cookie will expire on a given date or time and thereafter, the cookies' value will not be accessible.ExampleTry the following. It sets a customer name in an input cookie.Live Demo Enter ...
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