ladybird/Libraries/LibJS/Tests/instanceof-basic.js at a3d92b1210bad42a7563b6a7d9a8787d6d2586ed - Ladybird/ladybird - pomp's git server

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Andreas Kling a3d92b1210 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

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JavaScript

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 function Foo() {
     this.x = 123;
 }
 var foo = new Foo();
 if (foo instanceof Foo)
     console.log("PASS");