see below updated, you missed/misplaced the single quote , I hope this is what you are looking for :
<!DOCTYPE html>
<html>
<body>
<p id="demo">enter code here</p>
<script>
var all = [
{
"name": "redfruit",
"price": 9.20,
"text2": "Our selection of red fruits and fresh milk<br>No added preservatives or sugars"
},
{
"name": "veggie",
"price": 8.80,
"text2": "Our selection of veggies and fresh milk<br>No added preservatives or sugars"
},
{
"name": "jajko",
"price": 6.90,
"text2": "Our selection of veggies and fresh milk<br>No added preservatives or sugars"
}
];
var i;
for (i = 0; i < all.length; i++) {
var moko = all[i];
var extrahtml="\
<li>\
<div class="info">\
<h3>" + moko.name + '</h3>\
<p>' + moko.price.toFixed(2) + ' </p>\
<p>' + moko.text2 + '</p>\
</div>\
</li>\
';
document.getElementById("demo").innerHTML += extrahtml;
}
</script>