Make sure the data- number has at least one number in it before passing to isNaN...

diff --git a/src/data.js b/src/data.js
index cf3cf60..3bd4b97 100644 (file)
--- a/src/data.js
+++ b/src/data.js
@@ -157,7 +157,7 @@ jQuery.fn.extend({
                                                        data = data === "true" ? true :
                                                                data === "false" ? false :
                                                                data === "null" ? null :
-                                                               !isNaN( data ) ? parseFloat( data ) :
+                                                               /\d/.test( data ) && !isNaN( data ) ? parseFloat( data ) :
                                                                rbrace.test( data ) ? jQuery.parseJSON( data ) :
                                                                data;
                                                } catch( e ) {}

diff --git a/test/unit/data.js b/test/unit/data.js
index 058f23f..03d38c9 100644 (file)
--- a/test/unit/data.js
+++ b/test/unit/data.js
@@ -158,7 +158,7 @@ test(".data(String) and .data(String, Object)", function() {
 });
 
 test("data-* attributes", function() {
-       expect(25);
+       expect(27);
        var div = jQuery("<div>"),
                child = jQuery("<div data-myobj='old data' data-ignored=\"DOM\"></div>");
                
@@ -189,6 +189,8 @@ test("data-* attributes", function() {
                .attr("data-pointbad2", "-.")
                .attr("data-badjson", "{123}")
                .attr("data-badjson2", "[abc]")
+               .attr("data-empty", "")
+               .attr("data-space", " ")
                .attr("data-null", "null")
                .attr("data-string", "test");
        
@@ -201,6 +203,8 @@ test("data-* attributes", function() {
        strictEqual( child.data('pointbad2'), "-.", "Bad number read from attribute");
        strictEqual( child.data('badjson'), "{123}", "Bad number read from attribute");
        strictEqual( child.data('badjson2'), "[abc]", "Bad number read from attribute");
+       strictEqual( child.data('empty'), "", "Empty string read from attribute");
+       strictEqual( child.data('space'), " ", "Empty string read from attribute");
        strictEqual( child.data('null'), null, "Primitive null read from attribute");
        strictEqual( child.data('string'), "test", "Typical string read from attribute");