Q41. What is babel?
Babel is a JavaScript transpiler to convert ECMAScript 2015+ code into a backwards compatible version of JavaScript in current and older browsers or environments. Some of...
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Q42. What is global execution context?
The global execution context is the default or first execution context that is created by the JavaScript engine before any code is executed(i.e, when the file first loads...
Q43. What are the event phases of a browser?
There are 3 phases in the lifecycle of an event propagation in JavaScript, 1. **Capturing phase:** This phase goes down gradually from the top of the DOM tree to the targ...
Q44. What is the purpose of requestAnimationFrame method?
The requestAnimationFrame() method in JavaScript is used to schedule a function to be called before the next repaint of the browser window, allowing you to create smooth,...
Q45. What is globalThis, and what is the importance of it?
Nowadays JavaScript language is used in a wide variety of environments and each environment has its own object model. Due to this fact, there are different ways(syntax) t...