Created
June 27, 2016 08:57
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//厳密に等しい (===) | |
//厳密等価演算子はオペランド同士が、型を変換することなく (上に示した通り) 厳密に等しいならば真を返します。 | |
3 === 3 // true | |
3 === '3' // false | |
//厳密には等しくない (!==) | |
//厳密不等価演算子は、オペランド同士が等しくない、型が等しくない、あるいはその両方ならば真を返します。 | |
3 !== 3 // false | |
3 !== '3' // true | |
4 !== 3 // true |
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