== vs === — Interview Answer — JS Technical Interview Questions & Answers

Model answer on coercion rules.

== vs === — Interview Answer

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Code Examples for == vs === — Interview Answer

== vs === — Interview Answer — working example

console.log(2 == "2");   // true  — coerces
console.log(2 === "2");  // false — strict
console.log(typeof null); // "object" (historic quirk)
console.log(typeof undefined); // "undefined"
console.log(null == undefined);  // true
console.log(null === undefined); // false

== vs === — Interview Answer — == coerces types; === does not. Prefer === and explicit conversions.

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