Underscore vs Vue.js: What are the differences?
Introduction
Underscore and Vue.js are both JavaScript libraries that offer various utility functions and tools for web development. However, they serve different purposes and have distinct features that set them apart. In this comparison, we will highlight six key differences between Underscore and Vue.js.
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DOM Manipulation: Underscore does not provide built-in capability for manipulating the DOM (Document Object Model). It focuses more on providing utility functions for data manipulation and functional programming. On the other hand, Vue.js is a progressive JavaScript framework that enables efficient and reactive DOM handling. Vue.js offers a declarative approach to handle the DOM, allowing developers to bind data to the HTML dynamically.
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Reactivity: Vue.js stands out with its reactivity system called "Vue Reactive". It automatically tracks and updates the changes made to the data, ensuring that the DOM stays in sync. Underscore, on the other hand, does not have built-in reactivity support. Developers need to handle manual updates when data changes occur.
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Component-Based Development: Vue.js is specifically designed for building web applications using a component-based architecture. It provides components that encapsulate HTML, CSS, and JavaScript logic together, making the application more modular and reusable. Underscore, on the other hand, does not have native support for component-based development.
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Virtual DOM: Vue.js utilizes a virtual DOM (Document Object Model) to efficiently update and render components. This approach provides better performance by reducing unnecessary DOM operations. Underscore does not have a virtual DOM implementation and directly manipulates the actual DOM elements.
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Two-Way Data Binding: Vue.js offers two-way data binding, which means any changes to the data automatically reflect in the UI and vice versa. This feature simplifies the synchronization between data and UI elements. On the other hand, Underscore does not provide built-in two-way data binding.
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Directives: Vue.js introduces directives, which are special attributes used to manipulate the DOM and apply behaviors to elements. Directives, such as v-model and v-for, enable developers to easily add interactive functionality to the HTML elements. Underscore does not have a directive system.
In Summary, Vue.js is a comprehensive JavaScript framework that provides features like reactivity, component-based development, virtual DOM, two-way data binding, and directives. Underscore, on the other hand, focuses more on utility functions for data manipulation and functional programming and does not provide these features.