check if objects are equal javascript

1const isEqual = (...objects) => objects.every(obj => JSON.stringify(obj) === JSON.stringify(objects[0]));
2
3// Examples
4isEqual({ foo: 'bar' }, { foo: 'bar' });    // true
5isEqual({ foo: 'bar' }, { bar: 'foo' });    // false

1function checkObjEqual(obj1,obj2){
2for(let key in obj1){
3  if(!(key in obj2 )) return false;
4  if(obj1[key]!==obj2[key])return false;
5}
6return true;
7}
8
9console.log(checkObjEqual({maroon:'#800000',purple :'#800080'},{purple :'#800080',maroon:'#800000'})) //true

1function isEquivalent(a, b) {
2    // Create arrays of property names
3    var aProps = Object.getOwnPropertyNames(a);
4    var bProps = Object.getOwnPropertyNames(b);
5
6    // If number of properties is different,
7    // objects are not equivalent
8    if (aProps.length != bProps.length) {
9        return false;
10    }
11
12    for (var i = 0; i < aProps.length; i++) {
13        var propName = aProps[i];
14
15        // If values of same property are not equal,
16        // objects are not equivalent
17        if (a[propName] !== b[propName]) {
18            return false;
19        }
20    }
21
22    // If we made it this far, objects
23    // are considered equivalent
24    return true;
25}
26
27// Outputs: true
28console.log(isEquivalent(bobaFett, jangoFett));
29