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LibJS: Implement the "instanceof" operator

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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. :^)
This commit is contained in:
Andreas Kling 2020-03-28 16:56:54 +01:00
parent 37fe16a99c
commit a3d92b1210
Notes: sideshowbarker 2024-07-19 08:05:41 +09:00
6 changed files with 41 additions and 1 deletions
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7
Libraries/LibJS/Tests/instanceof-basic.js Normal file
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@ -0,0 +1,7 @@
function Foo() {
this.x = 123;
}
var foo = new Foo();
if (foo instanceof Foo)
console.log("PASS");