Qml/js小知识

(1).toString() // => "1"

(100).toString(16) // => "64"

import QtQuick 2.0

MouseArea {
    anchors.fill: parent
    onClicked: {
        var date = new Date(2020, 0, 1)
        console.log(date) // => 2020/01/01
        console.log(date.getMonth()) // => 0
        console.log(date.getDate()) // => 1
        
        date.setMonth(1)
        console.log(date) // => 2020/02/01
        
        date.setDate(1)
        console.log(date) // => 2020/02/01
    }
}