How to check whether array values are same in java script

Hi

for(i=1;i<data.length;i++){
if(data[i].type != data[0].type) {
alert('Select similar type of value');
return;
    }
}

How to check whether array values are same in java script

Hi

for(i=1;i<data.length;i++){
if(data[i].type != data[0].type) {
alert('Select similar type of value');
return;
    }
}