How can I achieve this?
var people = Array();
people.push({
name: "John",
height_in_cm : 190,
height_in_inches : this.height_in_cm * 0.39
});
This is not working. It's obvious that the object is not yet created. Are there any tricks on getting this to work?
You could just declare the object first and then push it:
var people = [];
var obj = {
name: "John",
height_in_cm : 190
};
obj.height_in_inches = obj.height_in_cm * .39;
people.push(obj);
Depending on your case you could also create a "Person" object/class:
var person = (function personModule() {
function Person(props) {
this.name = props.name;
this.height_in_cm = props.height_in_cm;
this.height_in_inches = this.height_in_cm * .39;
}
Person.prototype = {...}; // public methods if necessary
return function(props) {
return new Person(props);
}
}());
var people = [];
people.push(person({ name: 'John', height_in_cm: 190 }));
console.log(people[0].height_in_inches); //=> 74.1
Person.