Bump to v3.0.0.

2026-02-08 02:17:48 +00:00 · 2015-01-10 12:55:03 -08:00
commit 5379c1996b
350 changed files with 12910 additions and 0 deletions
--- a/lang/isElement.js
+++ b/lang/isElement.js
@@ -0,0 +1,42 @@
+import isObjectLike from '../internal/isObjectLike';
+import isPlainObject from './isPlainObject';
+import support from '../support';
+
+/** Used for native method references. */
+var objectProto = Object.prototype;
+
+/**
+ * Used to resolve the `toStringTag` of values.
+ * See the [ES spec](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.prototype.tostring)
+ * for more details.
+ */
+var objToString = objectProto.toString;
+
+/**
+ * Checks if `value` is a DOM element.
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
+ * @example
+ *
+ * _.isElement(document.body);
+ * // => true
+ *
+ * _.isElement('<body>');
+ * // => false
+ */
+function isElement(value) {
+  return (value && value.nodeType === 1 && isObjectLike(value) &&
+    objToString.call(value).indexOf('Element') > -1) || false;
+}
+// Fallback for environments without DOM support.
+if (!support.dom) {
+  isElement = function(value) {
+    return (value && value.nodeType === 1 && isObjectLike(value) && !isPlainObject(value)) || false;
+  };
+}
+
+export default isElement;