Blockchain is a chain of blocks that contains information. In year 2009 this technology later adapted by Satoshi Nakamoto to create digital crypto-currency bitcoin. This is completely open to anyone who want to develop or analyse. This technology has a feature which make it very complex to make changes once some data has been recorded in the block of chain. Here are some terms which is used in the blockchain program to evaluate. Block − The block in the block chain contains information like data, Hash value and previous block hash value. Data − This data is completely ... Read More

Introduction Welcome to the world of web programming! This comprehensive guide is your one-stop resource for mastering the art of building dynamic websites and applications, unlocking endless possibilities in today's online landscape. Diving into topics like client-side and server-side scripting, front-end development, back-end development, best practices, resources-and much more-this article will empower you with essential knowledge and skills to thrive. So buckle up and let's embark on a journey that will transform you from a curious learner to an internet wizard capable of crafting mesmerizing user experiences! Continue reading to unlock your true potential. Understanding Web Programming and Dynamic Websites ... Read More

For removing the disabled property, we can use the disabled tag available in VueJS. The disabled tag basically checks for the boolean value and decides if the input tag needs to be displayed or not. We set the value in app.js and dynamically change its value based on the toggle feature. To apply the :disabled, we will first create a div element with id ‘app’. Once the div element is created, we can apply the disabled property to the element by initializing the data content. Syntax Following is the syntax to disable the input taking in Vue.js − @click ... Read More

Filters basically provides the functionality to check inputs and then apply different type of formatting or transformations to the same. The filter property of a component is an object that accepts a value and return some other confirgured value as a response. In this article, we will not use filters and therefore directly apply the logic to check if a string is a palindrome or not. For a string to be palindrome the string should be equal to its reverse string. Therefore, we have to first reverse the string and then check the equality of that string with the original ... Read More

Vue can be defined as a progressive framework for building the user interfaces. It has multiple directives that can be used as per the user needs. The basic core library is mainly focused on building the view layer only and is also easy to pick up other libraries or integrate with them. In this article, we will use the Vue filters to check whether a string is a Leap year or not. A leap year has 366 days, whereas a non-Leap year has only 365 days. We can use logic to check whether a year is a Leap or not. ... Read More

Vue can be defined as a progressive framework for building the user interfaces. It has multiple directives that can be used as per the user needs. The basic core library is mainly focused on building the view layer only and it is also easy to pick up other libraries or integrate with them. In the below article, we will see how to capitalize a particular string. Capitalizing is basically a process where only the first character of a string is in capital letters and remaining all the characters are in lower case. We can capitalize a string by getting the ... Read More

Generally, we cannot call a Vue component method from outside the component. But we have a way to call the component from outside. We can use the Vue’s ref Directive. This metthod allows a component to be referenced from the parent for direct access. To apply the ref Directive, we will first create a div element with id ‘app’. Once the div element is created, we can apply the ref to the element by initializing the its data. Syntax Following is the syntax to call a component method from outside the component in Vue.js − Here, the ... Read More

While hovering over a div or an element sometimes we require to display some information. This information or data is displayed while hovering over it with the mouse. Therefore, to display this data, we basically use the JS function @mouseover to display data. In the above specific case, we will make the mouseover function which will return data on hover. Please look at the below example for more clarification. Syntax Following is the syntax to call a function with mouse hover in Vue.js − mouseOver: function(){ this.active = !this.active; } Here mouseOver ... Read More

The value for v-bind:style is just a plain JavaScript object that works upon some rules for binding the content. The value of the background image should be a string. So we can apply or data-bind the background image in Vue.js using the style tag and then defining the backgroundImage URL in it. It will automatically retrieve the url from the string and then display the same data content on the browser webpage. To access the background image, make a div element and define the background image in it with url. The url will be retrieved from the JS file. Example ... Read More

The v-bind directive in VueJS can be used for binding one or more attributes, or a component prop to an element. If the attribute is bonded towards our data that is defined in the Vue instance, then we can observe these data changes dynamically since the attributes are binded. To apply the v-bind directive, we will first create a div element with id ‘app’. Once the div element is created, we can apply the v-on: click.middle directive to the element. Syntax We can use the following syntax to bind attributes in Vue.js − v-bind:attribute = "expression" Here "expression" ... Read More