get only one object property code example
Example: js function pick properties from object
function pick (obj: { [key: string]: any }, props: string[] | string) {
const propsArray = Array.isArray(props) ? props : props.split(' ')
var picked: {
[key: string]: any
} = {};
propsArray.forEach(function(prop) {
picked[prop] = obj[prop];
});
return picked
};