javascript loot through each json object code example

Example 1: loop over json javascript

var arr = [ {"id":"10", "class": "child-of-9"}, {"id":"11", "class": "child-of-10"}];
    
for (var i = 0; i < arr.length; i++){
  document.write("<br><br>array index: " + i);
  var obj = arr[i];
  for (var key in obj){
    var value = obj[key];
    document.write("<br> - " + key + ": " + value);
  }
}

Example 2: loop though json object in javascript

var p = {
    "p1": "value1",
    "p2": "value2",
    "p3": "value3"
};