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add nodelist type check

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rolux 2012-05-25 21:08:29 +02:00
parent b0000b5169
commit 9aca80c3cb
1 changed files with 32 additions and 21 deletions
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29
source/Ox/js/Type.js
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@ -337,24 +337,35 @@ Ox.typeOf <f> Returns the type of a value
Ox.typeOf = function(value) {
return Object.prototype.toString.call(value).slice(8, -1).toLowerCase();
};
(function() {
// Firefox 3.6 returns 'Object' instead of 'Arguments',
// Internet Explorer 8 returns 'Object' instead of 'NodeList',
// Internet Explorer 9 returns 'HTMLCollection' instead of 'NodeList',
// Mobile Safari doesn't like null and undefined
var nodelist = Ox.typeOf(document.getElementsByTagName('a'));
if (
Ox.typeOf(arguments) != 'arguments'
&& nodelist != 'nodelist'
|| Ox.typeOf(document.getElementsByTagName('a')) != 'nodelist'
|| Ox.typeOf(null) != 'null'
|| Ox.typeOf() != 'undefined'
) {
Ox.typeOf = function(value) {
var type = value && Ox.hasOwn(value, 'callee') ? 'arguments'
: value === null ? 'null'
: value === void 0 ? 'undefined'
: Object.prototype.toString.call(
var ret = Object.prototype.toString.call(
value
).slice(8, -1).toLowerCase();
return type == nodelist ? 'nodelist' : type;
if (typeof value.callee == 'function') {
ret = arguments;
} else if (
ret == 'htmlcollection' || (
typeof value == 'object'
&& typeof value.item != 'undefined'
&& typeof value.length == 'number'
)
) {
ret = 'nodelist'
} else if (value === null) {
ret = 'null';
} else if (value === void 0) {
ret = 'undefined'
}
return ret;
};
}
})();