함수 deepEqual()

함수 deepEqual

JavaScript

• http://stackoverflow.com/questions/25456013/javascript-deepequal-comparison

function deepEqual(x, y) {
  if ((typeof x == "object" && x != null) && (typeof y == "object" && y != null)) {
    if (Object.keys(x).length != Object.keys(y).length) return false;
    for (var prop in x) {
      if (y.hasOwnProperty(prop)) {  
        if (! deepEqual(x[prop], y[prop])) return false;
      }
      else return false;
    }
    return true;
  }
  else if (x !== y) return false;
  else return true;
}

var a = [1,2,'hello'];
var b = [1,2,'hello'];
var c = [1,'2','hello'];
var d = ['hello',2,1];
console.log( deepEqual(a,b) ); // true
console.log( deepEqual(a,c) ); // false
console.log( deepEqual(a,d) ); // false

같이 보기

• 함수 deepCopy()