$(document).ready(function(){
$('#sample').click(function(){
var data = [
{
name : 'John',
age:'60'
},
{
name : 'John',
age:'60'
},
{
name : 'John',
age:'60'
},
{
name : 'John',
age:'60'
},
{
name : 'Prakash',
age:'60'
},
{
name : 'Johnson',
age:'60'
},
{
name : 'Martha',
age:'60'
},
]
console.log(data);
var counts = [];
jQuery.each(data, function(key,value) {
console.log(key +''+value.name);
if (!counts.hasOwnProperty(value.name)) {
counts[value.name] = 1;
} else {
counts[value.name]++;
}
});
var finalResults = [];
console.log(counts);
for(var cntVal in counts) {
finalResults.push([cntVal, counts[cntVal]]);
}
console.log(finalResults);
for(var i = 0;i<finalResults.length;i++)
{
$('.result').append('<span> Name :'+finalResults[i][0]+' </span><span>Count: '+finalResults[i][1]+'</span><br>' )
}
})
});
<button id="sample">click to view duplicate count</button>
<br/>
<div class="result"></div>
span{
display:inline-block;
margin-right:20px;
}