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语句的执行 #52

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jinzhepro opened this issue May 4, 2023 · 0 comments

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jinzhepro commented May 4, 2023 •

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Completion Record 标准类型

[[type]]：完成的类型（break、continue、return、throw、normal）
[[value]] ：返回值（如果没有，则为empty）
[[target]] ：语句的目标

{
  var a = 1; // normal, undefined, empty
  return 2; // return, 2, empty
  a++;
  console.log(a);
} // return, 2, empty
// 带有target的语句
outer: while(true) { 
    inner: while(true) {
    break outer;
  }
}
console.log("finished")

jinzhepro added the Javascript label

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