ES6 Map set()用法及代碼示例

此函數向映射添加鍵和值。

用法

的語法set()下麵給出，key是要添加到 Map 對象的元素的鍵，並且value是要添加到 Map 對象的元素的值。

map_name.set(key, value);

示例

<script>
   let andy = {ename:"Andrel"},
      varun = {ename:"Varun"},
      prijin = {ename:"Prijin"}
   
   let empJobs = new Map();
   empJobs.set(andy,'Programmer')
   empJobs.set(varun,'Accountant')
   empJobs.set(prijin,'HR')

   console.log(empJobs)
</script>

上述代碼的輸出如下所述 -

{{…} => "Programmer", {…} => "Accountant", {…} => "HR"}