In this article, we will discuss how to use JavaScript variables in jQuery selectors. In the following examples, it can be seen that we have used the values stored in JavaScript Variables used inside the jQuery Selectors....
In the <input> element with the type=”hidden”, the change() method of jQuery is not automatically triggered. The change() method is only triggered automatically when the user himself changes the value of the field and not the developer. When the developer changes the value inside the hidden field, he has to trigger the change as well....
CSS Animations lets various elements on a web page to gradually change from one style to another. These make the website look more attractive and interesting reversing an animation means playing it backward....
In JavaScript, slice() and splice() are array methods with distinct purposes. `slice()` creates a new array containing selected elements from the original, while `splice()` modifies the original array by adding, removing, or replacing elements....
The dot(.) and hash(#) both of them are used as CSS selectors. Both selectors are used to select the content to set the style. CSS selectors select HTML elements according to their id, class, type, attribute, etc.Id selector(“#”): The id selector selects the id attribute of an HTML element to select a specific element. An id is always unique within the page so it is chosen to select a single, unique element. It is written with the hash character (#), followed by the id of the element....
In this article, we’ll see how to generate a very simple and effective Captcha Image in PHP. Captchas are smart (at least most of the time) verification systems that prevent sites from bots that steal data from the site or unnecessarily increases the traffic of the site. In addition to preventing spams, Captchas are also used as a layer-of-protection against prevent DDoS attacks by malicious hackers....
API (Application Programming Interface) results are commonly used by applications, sometimes to withdraw information from their huge databases, check the status of a particular data, or sometimes they depend on third-party APIs to display additional information related to users.
Here we will make a simple public JSON based Chemistry API, which can be used in any programming language to display the results....
@include keyword is used to include the code written in a mixin block. @mixin is used to group css code that has to be reused a no of times. Whereas the @extend is used in SASS to inherit(share) the properties from another css selector. @extend is most useful when the elements are almost same or identical.
The main difference between the two is in their compiled CSS file....
The HTTP Access-Control-Allow-Credentials is a Response header. The Access-Control-Allow-Credentials header is used to tell the browsers to expose the response to front-end JavaScript code when the request’s credentials mode Request.credentials is “include”. Remember one thing when the Request.credentials is “include” mode browsers will expose the response to front-end JavaScript code if the Access-Control-Allow-Credentials is set true....
When working with arrays, it’s widespread to iterate through its elements and manipulate them. Traditionally this can be done using for, while or do-while loops. The forEach will call the function for each element in the array....