Learn about the storage event, including its type, syntax, and properties, code examples, specifications, and browser compatibility.... js addEventListener("storage", (event)...when the storage event fires: js window.addEventListener("storage"...
Learn about the URL.pathname property, including its type, code examples, specifications, and browser compatibility.... js const url = new URL("https://developer...HTTPS URL with query parameters. js const url = new URL( "https://developer...
The static keyword defines a static method or field for a class, or a static initialization block (see the link for more information about this usage). Static properties cannot be directly accessed on instances of the class. Instead, they're accessed on the class itself.... Try it Syntax js class ClassWithStatic { static...accessed via the prototype chain. js class ClassWithStaticField {...
The encodeURI() function encodes a URI by replacing each instance of certain characters by one, two, three, or four escape sequences representing the UTF-8 encoding of the character (will only be four escape sequences for characters composed of two surrogate characters). Compared to encodeURIComponent(), this function encodes fewer characters, preserving those that are part of the URI syntax.... Try it Syntax js encodeURI(uri) Parameters uri...characters in unwanted places. js const name = "Ben & Jerry's";...
The JavaScript exception "class constructors must be invoked with 'new'" occurs when a class constructor is called without the new keyword. All class constructors must be called with new.... Examples Invalid cases js class X {} X(); // TypeError:...invoked with 'new' Valid cases js class X {} new X(); See also...
Learn about the SVGPoint interface, including its syntax, specifications and browser compatibility.... Syntax js createSVGPoint() Value The returned...is an SVGPoint object. Example js // Create an SVGPoint in the...
The JavaScript exception "parameter after rest parameter" occurs when a rest parameter is followed by anything else in a parameter list, including another rest parameter, a formal parameter, or a trailing comma.... Examples Invalid cases js function replacer(match, ...groups...trailing comma ) {} Valid cases js function replacer(match, ...args)...
The JavaScript exception "SyntaxError: private fields can't be deleted" occurs when delete is used on a private property of a class or an object.... Examples js class MyClass { #myPrivateField;...private fields can't be deleted } } js class MyClass { #myPrivateMethod()...
The JavaScript exception "form must be one of 'NFC', 'NFD', 'NFKC', or 'NFKD'" occurs when an unrecognized string is passed to the String.prototype.normalize() method.... Examples Invalid cases js "foo".normalize("nfc"); // RangeError..."); // RangeError Valid cases js "foo".normalize("NFC"); // 'foo'...