Showing me the Error : Uncaught TypeError: sap.ui.View is not a constructor
**PLZ HELP ME ITS THROWING AN ERROR
** **index.html** -----------------------------------------------------------------
<!DOCTYPE html>
<html>
<head>
id="sap.ui.bootstrap"
data-sap-ui-libs="sap.m"
data-sap-ui-theme="sap_bluecrystal"
data-sap-ui-resourceroots='{"mario": "./"}' >
</script>
<script>
var oView = new sap.ui.View({ id:"Idmain",
viewName:"mario.view.Main",
type:"JS" })
oView.placeAt("sparta");
</script>
</head>
<body>
<div id="sparta"></div>
</body>
</html>
**Main.View.js**
----------------------------------------------------------------------
sap.ui.jsview("mario.view.Main",
{ getControllerName: function(){
return "mario.controller.Main";
},
createContent: function (oController) {
var oSpider = new sap.m.Button("idSpidy", {
text: "Button",
press: function(){
alert("you pressed the button");
}
});
return oSpider;
}
}
});
**Main.controller.js**
---------------------------------------------------
sap.ui.define([
"sap/ui/core/mvc/Controller"
],
function (Controller) {
"use strict";
return Controller.extend("mario.controller.Main",{
});
});