Skip to content
Permalink
Browse files

Explanations for each step of isPlainObject

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
  • Loading branch information
rwaldron committed Dec 24, 2012
1 parent 7e3f96c commit 3746bf8feb30bd875f736d57de6bd94abcbd53f5
Showing with 8 additions and 1 deletion.
  1. +8 −1 src/core.js
@@ -412,12 +412,17 @@ jQuery.extend({
},

isPlainObject: function( obj ) {
// Not plain objects: params that are not [[Class]] "[object Object]", DOM nodes, window
// Not plain objects:
// - Any object or value whose internal [[Class]] property is not "[object Object]"
// - DOM nodes
// - window
if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
return false;
}

// Support: Firefox >16
// The try/catch supresses exceptions thrown when attempting to access
// the "constructor" property of certain host objects, ie. |window.location|
try {
if ( obj.constructor &&
!core_hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) {
@@ -427,6 +432,8 @@ jQuery.extend({
return false;
}

// If the function hasn't returned already, we're confident that
// |obj| is a plain object, created by {} or constructed with new Object
return true;
},

0 comments on commit 3746bf8

Please sign in to comment.
You can’t perform that action at this time.