Warning, /webapps/qmlonline/qml/examples/gridlayout.qml is written in an unsupported language. File is not indexed.

 import QtQuick 2.7
 import QtQuick.Layouts 1
 
 GridLayout {
     id: root
     rows: 5
     columns: 5
     anchors.fill: parent
     columnSpacing: 0
     rowSpacing: 0
 
     Repeater {
         id: repeater
         model: parent.rows * parent.columns
         Rectangle {
             property var value: index / repeater.model
             color: Qt.hsva(value, value, value)
             width: root.width / root.columns
             height: root.height / root.rows
         }
     }
 }