![]() js extension, then use the src property in the script tag.ġ1. Write JavaScript code in an external file with a.Use the tag to add JavaScript code to an HTML document. ![]() How Can You Embed Javascript Code in an HTML File? Properties can be of various data types and are related to JavaScript DOM objects, much like an instance variable for DOM elements.Īttributes are part of the HTML, and unlike a property, is a String data type. What Is the Difference Between Attributes and Property? Rich interfaces: Items like drag-and-drop components and sliders enhance the UXĩ.Low server interaction: Allows user input validation before sending data to the server, reducing server traffic and load.Immediate feedback: Visitors need not wait for a page reload to see if they’ve forgotten to enter important details.Enhanced interactivity: Allows creation of interfaces that react to user input.Describe the Most Important Advantages of Using JavaScript. Note this is one of those JavaScript coding interview questions that’s good to know. Import * as objectName from'./file-path.js' ![]() You can use the import keyword and the asterisk (*) symbol. How Can You Import All Named Exports From a JavaScript File? Undefined: When a variable is declared and not yet assigned a valueħ.Symbol: Used for creating unique identifiers for objects.Null: Represents empty, nothing, and unknown type of values. ![]()
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