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motss/null-equals-undefined.js

Last active July 12, 2019 09:35
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According to ECMAScript's specs, it explains why null == undefined
Raw
null-equals-undefined.js
// http://www.ecma-international.org/ecma-262/5.1/#sec-11.9.3
// http://es5.github.io/#x11.9.3
// Abstract/ loose equality comparison will do type coercion
// While strict equality comparison will compare the types
null == undefined; // true
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