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  • 7小时前 · software

    为什么 == 和 === 在 JavaScript 中表现不同

    严格相等(===)检查两件事: 1. 值是否相同? 2. 类型是否相同? 两者必须都匹配。 javascript 5 === 5 // true 5 === '5' // false

    #javascript #equality-operators #type-coercion #strict-equality #loose-equality #programming
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