前端中===表示什么
时间: 2023-09-08 14:10:33 浏览: 51
在前端中,"==="是一种严格相等运算符,用于比较两个操作数的值和类型是否完全相等。它不会进行类型转换,只有在值和类型都相等的情况下,才会返回true,否则返回false。与"==="相对的是"=="运算符,它在比较之前会进行类型转换,尝试使两个操作数具有相同的类型,然后再比较它们的值。因此,"==="更严格,更准确地比较操作数的值和类型是否相等。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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