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cesarkohl/ECMA-6.5

Created January 13, 2020 14:40
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ECMA-6.5
var weakMap = new WeakMap ();
function function () {};
var object = {};
// TypeError: Invalid value used as weak map key
weakMap.set ("string", "this is a string");
weakMap.set (function, "this is a function");
weakMap.set (object, "this is an object");
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