deac/jquery
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Added some tweaks to $.type to handle null and undefined. Added a bunch of unit tests as well.

Browse source
This commit is contained in:
John Resig 2010-08-27 06:10:52 -07:00
parent 9ce1d09a0a
commit 5d2be7e299
2 changed files with 28 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
src/core.js
View file

@ -446,7 +446,11 @@ jQuery.extend({
},
type: function( obj ) {
return toString.call(obj).slice(8, -1).toLowerCase();
return obj === null ?
"null" :
obj === undefined ?
"undefined" :
toString.call(obj).slice(8, -1).toLowerCase();
},
isPlainObject: function( obj ) {

23
test/unit/core.js
View file

@ -217,6 +217,29 @@ test("trim", function() {
equals( jQuery.trim( false ), "false", "Boolean" );
});
test("type", function() {
expect(18);
equals( jQuery.type(null), "null", "null" );
equals( jQuery.type(undefined), "undefined", "undefined" );
equals( jQuery.type(true), "boolean", "Boolean" );
equals( jQuery.type(false), "boolean", "Boolean" );
equals( jQuery.type(Boolean(true)), "boolean", "Boolean" );
equals( jQuery.type(0), "number", "Number" );
equals( jQuery.type(1), "number", "Number" );
equals( jQuery.type(Number(1)), "number", "Number" );
equals( jQuery.type(""), "string", "String" );
equals( jQuery.type("a"), "string", "String" );
equals( jQuery.type(String("a")), "string", "String" );
equals( jQuery.type({}), "object", "Object" );
equals( jQuery.type(/foo/), "regexp", "RegExp" );
equals( jQuery.type(new RegExp("asdf")), "regexp", "RegExp" );
equals( jQuery.type([1]), "array", "Array" );
equals( jQuery.type(new Date()), "date", "Date" );
equals( jQuery.type(new Function("return;")), "function", "Function" );
equals( jQuery.type(function(){}), "function", "Function" );
});
test("isPlainObject", function() {
expect(14);