How would you compare 2 objects in cappuccino for equality. I have tried == and it doesn't seem to work for me.
问问题
114 次
2 回答
3
If the object is a regular Cappuccino object and it implements the required method, you can use [objectA isEqual:objectB]
.
于 2011-08-04T06:17:04.673 回答
2
Objects have first class identity. Two objects can never be equal to each other using "==" or "===".
You can have a function that determines "equality" based on iterating over the properties to see if both objects have the same named properties and those properties have the same value.
e.g.
var compareObj = (function () {
function doCompare(a, b) {
for (var p in a) {
if (a.hasOwnProperty(p) && !b.hasOwnProperty(p)) {
return false;
}
if (a[p] != b[p]) {
return false;
}
}
return true;
}
return function(a, b) {
return doCompare(a, b) && doCompare(b, a);
}
}());
于 2011-07-29T05:39:31.507 回答