how to encapsulate a method that implements the following functions
let a = element["a"]["b"]["c"]...["n"]
let a = element["a"]&&element["a"]["b"]&&element["a"]["b"]["c"]&&...&&element["a"]["b"]["c"]...["n"];let a = checkObject(element["a"]["b"]["c"]...["n"]);
checkObject(){
//
}function checkObject(obj, paramList){
if(paramList == null || paramList.length === 0){
return true
}
var prop = paramList.shift()
return obj[prop] !=null && checkObject(obj[prop], paramList)
}
var _obj = {
a: {
b: {
c: {
d: true
}
}
}
}
console.log(checkObject(_obj, ['a', 'b', 'c']))
console.log(checkObject(_obj, ['a', 'c', 'b']))lodash/get find out, _ .get (obj, 'a.b.c.d.e.f.grub, undefined)
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