extraArgs outputting to console log with NaN

let myFunc = function (name, weather,...extraArgs) {
    console.log("Hello " + name + ".");
    console.log("It is " + weather + " today");
    for (let i=0; i < extraArgs.length; i++) {
        console.log("Extra Arg: ", + extraArgs[i]);
    }
};

myFunc("Adam", "sunny","one", "two", "three");

Copyright Notice：Content Author:「rds80」，Reproduced under the CC 4.0 BY-SA copyright license with a link to the original source and this disclaimer.
Link to original article：https://stackoverflow.com/questions/65381660/extraargs-outputting-to-console-log-with-nan