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Selection A Selection object represents the range of text selected by the user or the current position of the caret. To obtain a Selection object for examination or manipulation, call window.getSelection(). A user may make a selection from left to right (in document order) or right to left (reverse of document order). The anchor is where the user began the selection and the focus is where the us..

7 Types of Native Errors in JavaScript You Should Know Understand the common types of native errors in JavaScript. We see errors everywhere, from our browser console to the terminal of our machine running Node.js. This post focuses on outlining the types of errors that we may encounter during JS development. Tip: Good errors make the difference between a fast and painless developing-experience a..

Default parameters Default function parameters allow named parameters to be initialized with default values if no value or undefined is passed. Syntax function fnName(param1 = defaultValue1, ..., paramN = defaultValueN) { /* ... */ } Copy to Clipboard Description In JavaScript, function parameters default to undefined. However, it's often useful to set a different default value. This is where de..

Solve - date.getTime is not a function Error # The "date.getTime is not a function" error occurs when the getTime() method is called on a value that is not a date object. To solve the error, convert the value to a date before calling the method or make sure to only call the getTime() method on valid date objects. Here is an example of how the error occurs. index.js const date = Date.now(); conso..