<p>If you've ever worked with JavaScript, you might have come across the mysterious [object Object] in your console or output. This seemingly cryptic message can be frustrating for developers, especially when your code isn't working as expected. In this
Read What is 'this' in JavaScript? and learn with SitePoint. Our web development and design tutorials, courses, and books will teach you HTML, CSS, JavaScript, PHP, Python, and more.
https://dev.to/alesm0101/how-to-check-if-a-value-is-an-object-in-javascript-3pin convert Map to Object in js constlog =console.log;constmap =newMap();// undefinedmap.set(`a`,1);// Map(1) {"a" => 1}map.set(`b`,2);// Map(1) {"a" => 1, "b" => 2}map.set(`c...
What is the simplest way to clone an object in JavaScript?Craig Buckler
What is e.g. object in JavaScript? objectse.g. 14th Jun 2019, 1:06 PM SM Assaduzzaman 5 Answers Sort by: Votes Answer + 15 Yeah, i want to know that ," what is the definition of e.g." 19th Jun 2019, 5:41 AM SM Assaduzzaman + 7 Take a look at this. https://developer...
— Secrets of the JavaScript Ninja, Second Edition As a function When a function is invoked in a straightforward manner, its function context (that is, thethisvalue) can be two things. In non-strict mode, the global context (thewindowobject) becomes the function context. In strict mode, it...
Activation objectis an object which holds : formal args of the function argumentsobject for this function. any vars and (named) function inside this functioin So, activation object is just a special case of variable object; It is basically a container for all the local stuff you can access ...
JavaScript's double not operatoris basically double use of (!) operator. This is alogical not operator. (!!) operator converts non-Boolean to Boolean. As you know,!operator reverses the logic, i.e., it returnfalsefor!truevalue andtruefor!false. ...
JavaScript 'this' keyword By: Rajesh P.S.In JavaScript, the this keyword is a special context-sensitive variable that refers to the current execution context or the object that a function is bound to at runtime. The value of this depends on how a function is invoked, and it plays a ...
Introduced in ES8, theObject.entries()method takes an object as an argument and returns an array of object's enumerable property[key, value]pairs. The following is true about the array resulting fromObject.entries(): Each element of the array is guaranteed to itself be an array consisting of...