delete operator

基本解釋

Note that you can use the delete operator to remove any property, as in delete person.getLastName.
注意，您可以使用 delete操作符來刪除任何屬性，例如 delete person.getLastName。
Set up operator to insert and delete operator to ensure that the path of continuity and simplicity.
設(shè)置了插入算子和刪除算子以保證路徑的連續(xù)性和簡明性。
The newRequest() method aborts the previous request if it's still active, frees the memory with the delete operator, and creates a new XMLHttpRequest instance.
newRequest() 方法終止仍在活動的前一個請求，用 delete 操作符釋放內(nèi)存，并創(chuàng)建一個新的 XMLHttpRequest 實例。