How to Add, Display, and Enlarge an Image in Oracle Apex

Step 1: Create a blank page and then under page create two region in between region create page item.

Step 2: In page upload, Show and Zoom In/ Out Image declare function code:

function getURL(input) {
 if (input.files && input.files[0])
 {
 var reader=new FileReader();
 reader.onload = function(e){
 $('#upimag')
 .attr('src',e.target.result);
 };
 reader.readAsDataURL(input.files[0]);
 }
}

function zoom(){
 var divlClass=$('#imgdiv').attr('class');
 if (divlClass==="ex"){
 $('#imgdiv').css('cursor','zoom-in');}else
 if ( divlClass=== "exZoom" ) {
 $('#imgdiv').css('cursor','zoom-out');}
 }


function my_class(){
 var divlClass= $('#imgdiv').attr('class');
 if(divlClass=== "ex"){
 $("#imgdiv").removeClass("ex");
 $("#upimag").removeClass("ex");
 $("#imgdiv").addClass("exZoom");
 $("#upimag").addClass("exZoom");} else
 if(divlClass==="exZoom"){
 $("#imgdiv").removeClass("exZoom");
 $("#upimag").removeClass("exZoom");
 $("#imgdiv").addClass("ex");
 $("#upimag").addClass("ex");}
 }

Then declare Inline code:

.ex
    {
    height:60px ;
    width:70px;
    padding:2px ;
    }

.exZoom 
    {
    height:300px;
    width:400px;
    padding:0px;
    }

In Show Image : HTML Code

<div align="center">
    <div id="imgdiv" class="ex">
    	<img alt="" class="ex" id="upimag" onclick="my_class(); zoom();" onmouseover="zoom();" src="#" />
 	</div>
</div>