# equality & inequality operator

[JS](https://lochiwei.gitbook.io/web/js) ⟩ [statement](https://lochiwei.gitbook.io/web/js/grammar/statement) ⟩ [expression](https://lochiwei.gitbook.io/web/js/grammar/statement/expr) ⟩ [operator](https://lochiwei.gitbook.io/web/js/grammar/op) ⟩ [relational](https://lochiwei.gitbook.io/web/js/grammar/op/relational) ⟩ equality & inequality

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:star2: [table-of-operators](https://lochiwei.gitbook.io/web/js/grammar/op/table-of-operators "mention")
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{% tabs %}
{% tab title="🔴 主題" %}

* <mark style="color:yellow;">**equality & inequality**</mark>
  * [sloppy-equality](https://lochiwei.gitbook.io/web/js/grammar/op/relational/equal/sloppy-equality "mention")
  * [strict-equality](https://lochiwei.gitbook.io/web/js/grammar/op/relational/equal/strict-equality "mention")
    {% endtab %}

{% tab title="📗 參考" %}

* [ ] [javascript-the-definitive-guide](https://lochiwei.gitbook.io/web/master/ref/javascript-the-definitive-guide "mention") ⟩ 4.9.1 Equality & Inequality Operators
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{% tab title="📘 手冊" %}

* [Equality (==)](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Equality) / [Inequality (!=)](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Inequality)
* [Strict equality (===)](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Strict_equality) / [Strict inequality (!==)](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Strict_inequality)
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