js object size code example

Example 1: javascript object length

var size = Object.keys(myObj).length;

Example 2: javascript get length of object

var person={
    "first_name":"Harry",
    "last_name":"Potter",
    "age":14
};
var personSize = Object.keys(person).length; //gets number of properties (3)

Example 3: three js get size of object

var box = new THREE.Box3().setFromObject( colladaModel );
console.log( box.min, box.max, box.getSize() );