ladybird/Libraries/LibJS/Tests/instanceof-basic.js

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function Foo() {
    this.x = 123;
}

var foo = new Foo();
if (foo instanceof Foo)
    console.log("PASS");
LibJS: Implement the "instanceof" operator This operator walks the prototype chain of the RHS value and looks for a "prototype" property with the same value as the prototype of the LHS. This is pretty cool. :^) 2020-03-28 16:56:54 +01:00			`function Foo() {`
			`this.x = 123;`
			`}`

			`var foo = new Foo();`
			`if (foo instanceof Foo)`
			`console.log("PASS");`