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📜  ReferenceError - Javascript 代码示例

📅  最后修改于: 2022-03-11 15:01:56.288000             🧑  作者: Mango

代码示例1
//Occurs when a non-existent variable is used/referenced

let firstName = "Jack";
 console.log(firstname);

//The variable firstname does not exist; it is a misspelling of firstName.