<script src="./js/lodash.js"></script>
<script>
let deepCopy = (src, target) => {
for (const key in src) {
if (src[key] instanceof Array) {
target[key] = []
deepCopy(src[key], target[key])
} else if (src[key] instanceof Object) {
target[key] = {}
deepCopy(src[key], target[key])
} else {
target[key] = src[key]
}
}
}
let obj = {
name: 123,
info: {
title: 'up',
bd: {
day: 01,
},
},
}
let obj3 = {}
console.log(_.isEqual(obj, Object.assign(obj)))
console.log('deep copy', _.isEqual(obj, deepCopy(obj, obj3)))
obj.info.title = 'person'
console.log(obj)
console.log(obj3)
</script>
