JS delete object attribute

Suppose you create an object using the following code ：

let myObject = {
    "ircEvent": "PRIVMSG",
    "method": "newURI",
    "regex": "^http://.*"
};

If you want to delete regex attribute , Make the new object as follows ：

let myObject = {
    "ircEvent": "PRIVMSG",
    "method": "newURI"
};

How do we delete objects regex Attribute? ？

Use JavaScript Of delete The operator , Can solve this problem .

for example , The above code can be changed to ：

delete myObject.regex;
// or,
delete myObject['regex'];
// or,
var prop = "regex";
delete myObject[prop];

For you yes delete Operators are of great interest , You can see kangax Write an article about delete Statement , understand delete.

That's all js How to delete an operator .