--- /dev/null
+var assocIndexOf = require('./assocIndexOf');
+
+/**
+ * Checks if an associative array value for `key` exists.
+ *
+ * @private
+ * @param {Array} array The array to query.
+ * @param {string} key The key of the entry to check.
+ * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+ */
+function assocHas(array, key) {
+ return assocIndexOf(array, key) > -1;
+}
+
+module.exports = assocHas;