const o = {
name: 'Julie',
greetBackwards: function() {
const self = this; // thisを覚えておく
function getReverseName() {
let nameBackwards = '';
for(let i=self.name.length-1; i>=0; i--) {
nameBackwards += self.name[i];
}
return nameBackwards;
} // getReverseNameの定義の終わり
return `${getReverseName()} si eman ym ,olleH`;
},
};
console.log(o.greetBackwards());