JSFiddle - React, Tailwind, and code Playground
HTML
<!DOCTYPE HTML>
<script src="https://sapui5.netweaver.ondemand.com/resources/sap-ui-core.js"
id="sap-ui-bootstrap"
data-sap-ui-libs="sap.ui.commons,sap.m"
data-sap-ui-theme="sap_bluecrystal">
</script>
<!-- add sap.ui.table,sap.ui.ux3 and/or other libraries to 'data-sap-ui-libs' if required -->
<script>
sap.ui.localResources("sample");
var view = sap.ui.view({id:"idnew1", viewName:"sample.new", type:sap.ui.core.mvc.ViewType.JS});
view.placeAt("content");
</script>
</head>
<body class="sapUiBody" role="application">
<div id="content"></div>
</body>
</html>
JavaScript
var flexbox=new sap.m.FlexBox({direction:"Column"});
flexbox.addItem( new sap.m.Input("pass",{placeholder:"value"}));
var oImage = new sap.ui.commons.Image("i1");
oImage.setSrc("https://images.pexels.com/photos/67636/rose-blue-flower-rose-blooms-67636.jpeg?auto=compress&cs=tinysrgb&h=650&w=940");
flexbox.addItem( oImage);
flexbox.addItem( new sap.m.Button('login',{text:"Click for popup",press:function(){
oDialog1.open();
}}));
flexbox.setAlignItems("Center");
flexbox.setJustifyContent("Center");
var oDialog1 = new sap.ui.commons.Dialog();
oDialog1.setTitle("My first Dialog");
var oText = new sap.m.Input("input1");
oDialog1.addContent(oText);
oDialog1.addButton(new sap.m.Button({text: "update", press:function(){
var a = oText.getValue();
sap.ui.getCore().byId("pass").setValue(a);
oDialog1.close();}}));
flexbox.placeAt("content")