![]() ![]() ![]() It simply collects all properties and wraps them inside a container. It will overwrite the identical properties inside two objects and replace the former with the latter. You can not use the strict mode inside function containing the rest operator. You may or may not use the strict mode inside the function containing the spread operator. It collects the data in the developer's desired format. It expands an Array in form of elements, while in key-value pairs in the case of Objects. Rest Syntax is just the opposite of spread syntax it collects the data and stores that data in a variable which we can use further in our code. ![]() Spread operator as its name suggests it spreads or expands the content of the given element. But the spread syntax expands iterables into individual elements. The main difference between rest and spread is that the rest operator puts the rest of some specific user-supplied values into a JavaScript array. value = 90 // Declaring global variable by window object function setValue ( ) JS Graphics JS Graphics JS Canvas JS Plotly JS Chart.js JS Google Chart JS D3.Window. JS vs jQuery jQuery Selectors jQuery HTML jQuery CSS jQuery DOM JS JSON JSON Intro JSON Syntax JSON vs XML JSON Data Types JSON Parse JSON Stringify JSON Objects JSON Arrays JSON Server JSON PHP JSON HTML JSON JSONP JS AJAX AJAX Intro AJAX XMLHttp AJAX Request AJAX Response AJAX XML File AJAX PHP AJAX ASP AJAX Database AJAX Applications AJAX Examples JS Web APIs Web API Intro Web Forms API Web History API Web Storage API Web Worker API Web Fetch API Web Geolocation API ![]() JS Browser BOM JS Window JS Screen JS Location JS History JS Navigator JS Popup Alert JS Timing JS Cookies JS HTML DOM DOM Intro DOM Methods DOM Document DOM Elements DOM HTML DOM Forms DOM CSS DOM Animations DOM Events DOM Event Listener DOM Navigation DOM Nodes DOM Collections DOM Node Lists JS Async JS Callbacks JS Asynchronous JS Promises JS Async/Await JS Classes Class Intro Class Inheritance Class Static JS Functions Function Definitions Function Parameters Function Invocation Function Call Function Apply Function Bind Function Closures JS Objects Object Definitions Object Properties Object Methods Object Display Object Accessors Object Constructors Object Prototypes Object Iterables Object Sets Object Maps Object Reference JS Tutorial JS HOME JS Introduction JS Where To JS Output JS Statements JS Syntax JS Comments JS Variables JS Let JS Const JS Operators JS Arithmetic JS Assignment JS Data Types JS Functions JS Objects JS Events JS Strings JS String Methods JS String Search JS String Templates JS Numbers JS BigInt JS Number Methods JS Number Properties JS Arrays JS Array Methods JS Array Sort JS Array Iteration JS Array Const JS Dates JS Date Formats JS Date Get Methods JS Date Set Methods JS Math JS Random JS Booleans JS Comparisons JS If Else JS Switch JS Loop For JS Loop For In JS Loop For Of JS Loop While JS Break JS Iterables JS Sets JS Maps JS Typeof JS Type Conversion JS Bitwise JS RegExp JS Precedence JS Errors JS Scope JS Hoisting JS Strict Mode JS this Keyword JS Arrow Function JS Classes JS Modules JS JSON JS Debugging JS Style Guide JS Best Practices JS Mistakes JS Performance JS Reserved Words ![]()
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