Q171. What is the purpose of isFinite function?
The isFinite() function is used to determine whether a number is a finite, legal number. It returns false if the value is +infinity, -infinity, or NaN (Not-a-Number), oth...
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Q172. How to get history on React Router v4?
Below are the list of steps to get history object on React Router v4, 1. Create a module that exports a `history` object and import this module across the project. For ex...
Q173. What is an event flow?
Event flow refers to the order in which events are handled in the browser when a user interacts with elements on a webpage like clicking, typing, hovering, etc. When you ...
Q174. How to perform automatic redirect after login?
The `react-router` package provides `` component in React Router. Rendering a `` will navigate to a new location. Like server-side redirects, the new location will overri...
Q175. What is event capturing?
Event capturing is a phase of event propagation in which an event is first intercepted by the outermost ancestor element, then travels downward through the DOM hierarchy ...
Q176. What is React Intl?
The _React Intl_ library makes internationalization in React straightforward, with off-the-shelf components and an API that can handle everything from formatting strings,...
Q177. What is event bubbling?
Event bubbling is a type of event propagation in which an event first triggers on the innermost target element (the one the user interacted with), and then bubbles up thr...
Q178. What are the main features of React Intl?
Below are the main features of React Intl, 1. Display numbers with separators. 2. Display dates and times correctly. 3. Display dates relative to "now". 4. Pluralize labe...
Q179. How do you submit a form using JavaScript?
You can submit a form using `document.forms[0].submit()`. All the form input's information is submitted using onsubmit event handler ```javascript function submit() { doc...
Q180. What are the two ways of formatting in React Intl?
The library provides two ways to format strings, numbers, and dates: 1. **Using react components:** ```jsx harmony ``` 2. **Using an API:** ```javascript const messages =...