var rclass = /[\n\t\r]/g,
rspaces = /\s+/,
rreturn = /\r/g,
- rspecialurl = /^(?:href|src|style)$/,
rtype = /^(?:button|input)$/i,
rfocusable = /^(?:button|input|object|select|textarea)$/i,
- rclickable = /^a(?:rea)?$/i;
-
-jQuery.props = {
- "for": "htmlFor",
- "class": "className",
- readonly: "readOnly",
- maxlength: "maxLength",
- cellspacing: "cellSpacing",
- rowspan: "rowSpan",
- colspan: "colSpan",
- tabindex: "tabIndex",
- usemap: "useMap",
- frameborder: "frameBorder"
-};
+ rclickable = /^a(?:rea)?$/i,
- rradiocheck = /^(?:radio|checkbox)$/i,
+ formHook;
jQuery.fn.extend({
attr: function( name, value ) {
}
if ( pass && name in jQuery.attrFn ) {
- return jQuery(elem)[name](value);
+ return jQuery( elem )[ name ]( value );
}
+
+ var ret, hooks,
+ notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
+
+ // Normalize the name if needed
+ name = notxml && jQuery.attrFix[ name ] || name;
- var notxml = elem.nodeType !== 1 || !jQuery.isXMLDoc( elem ),
- // Whether we are setting (or getting)
- set = value !== undefined;
+ // Get the appropriate hook, or the formHook
+ // if getSetAttribute is not supported and we have form objects in IE6/7
+ hooks = jQuery.attrHooks[ name ] || ( elem.nodeName === "FORM" && formHook );
- // Try to normalize/fix the name
- name = notxml && jQuery.props[ name ] || name;
+ if ( value !== undefined ) {
- // Only do all the following if this is a node (faster for style)
- if ( elem.nodeType === 1 ) {
- // These attributes require special treatment
- var special = rspecialurl.test( name );
-
- // Safari mis-reports the default selected property of an option
- // Accessing the parent's selectedIndex property fixes it
- if ( name === "selected" && !jQuery.support.optSelected ) {
- var parent = elem.parentNode;
- if ( parent ) {
- parent.selectedIndex;
-
- // Make sure that it also works with optgroups, see #5701
- if ( parent.parentNode ) {
- parent.parentNode.selectedIndex;
- }
- }
+ if ( value === null ) {
+ jQuery.removeAttr( elem, name );
+ return undefined;
+
+ } else if ( hooks && "set" in hooks && notxml && (ret = hooks.set( elem, value, name )) !== undefined ) {
+ return ret;
+
+ } else {
+ elem.setAttribute( name, "" + value );
+ return value;
}
- // If applicable, access the attribute via the DOM 0 way
- // 'in' checks fail in Blackberry 4.7 #6931
- if ( (name in elem || elem[ name ] !== undefined) && notxml && !special ) {
- if ( set ) {
- // We can't allow the type property to be changed (since it causes problems in IE)
- if ( name === "type" && rtype.test( elem.nodeName ) && elem.parentNode ) {
- jQuery.error( "type property can't be changed" );
- }
+ } else {
- if ( value === null ) {
- if ( elem.nodeType === 1 ) {
- elem.removeAttribute( name );
- }
+ if ( hooks && "get" in hooks && notxml ) {
+ return hooks.get( elem, name );
- } else {
- elem[ name ] = value;
- }
- }
+ } else {
- // browsers index elements by id/name on forms, give priority to attributes.
- if ( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) ) {
- return elem.getAttributeNode( name ).nodeValue;
- }
+ ret = elem.getAttribute( name );
+ // Non-existent attributes return null, we normalize to undefined
+ return ret === null ?
+ undefined :
+ ret;
+ }
+ }
+ },
+
+ removeAttr: function( elem, name ) {
+ if ( elem.nodeType === 1 ) {
+ name = jQuery.attrFix[ name ] || name;
+
+ if ( jQuery.support.getSetAttribute ) {
+ // Use removeAttribute in browsers that support it
+ elem.removeAttribute( name );
+ } else {
+ jQuery.attr( elem, name, "" );
+ elem.removeAttributeNode( elem.getAttributeNode( name ) );
+ }
+ }
+ },
+
+ attrHooks: {
+ type: {
+ set: function( elem, value ) {
+ // We can't allow the type property to be changed (since it causes problems in IE)
+ if ( rtype.test( elem.nodeName ) && elem.parentNode ) {
+ jQuery.error( "type property can't be changed" );
+ }
+ }
+ },
+ tabIndex: {
+ get: function( elem ) {
// elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
// http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
- if ( name === "tabIndex" ) {
- var attributeNode = elem.getAttributeNode( "tabIndex" );
-
- return attributeNode && attributeNode.specified ?
- attributeNode.value :
- rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
- 0 :
- undefined;
- }
+ var attributeNode = elem.getAttributeNode("tabIndex");
+ return attributeNode && attributeNode.specified ?
+ parseInt( attributeNode.value, 10 ) :
+ rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
+ 0 :
+ undefined;
+ }
+ }
+ },
+
+ propFix: {},
+
+ prop: function( elem, name, value ) {
+ var nType = elem.nodeType;
+
+ // don't get/set properties on text, comment and attribute nodes
+ if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
+ return undefined;
+ }
+
+ var ret, hooks,
+ notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
+
+ // Try to normalize/fix the name
+ name = notxml && jQuery.propFix[ name ] || name;
+
+ hooks = jQuery.propHooks[ name ];
+
+ if ( value !== undefined ) {
+ if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
+ return ret;
+
+ } else {
+ return (elem[ name ] = value);
+ }
+
+ } else {
+ if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== undefined ) {
+ return ret;
+
+ } else {
return elem[ name ];
}
+ }
+ },
+
+ propHooks: {}
+});
- if ( !jQuery.support.style && notxml && name === "style" ) {
- if ( set ) {
- elem.style.cssText = "" + value;
- }
-
- return elem.style.cssText;
+// IE6/7 do not support getting/setting some attributes with get/setAttribute
+if ( !jQuery.support.getSetAttribute ) {
+ jQuery.attrFix = jQuery.extend( jQuery.attrFix, {
+ "for": "htmlFor",
+ "class": "className",
+ maxlength: "maxLength",
+ cellspacing: "cellSpacing",
+ rowspan: "rowSpan",
+ colspan: "colSpan",
+ usemap: "useMap",
+ frameborder: "frameBorder"
+ });
+
+ // Use this for any attribute on a form in IE6/7
+ // And the name attribute
+ formHook = jQuery.attrHooks.name = {
+ get: function( elem, name ) {
+ var ret = elem.getAttributeNode( name );
+ // Return undefined if not specified instead of empty string
+ return ret && ret.specified ?
+ ret.nodeValue :
+ undefined;
+ },
+ set: function( elem, value, name ) {
+ // Check form objects in IE (multiple bugs related)
+ // Only use nodeValue if the attribute node exists on the form
+ var ret = elem.getAttributeNode( name );
+ if ( ret ) {
+ ret.nodeValue = value;
+ return value;
}
+ }
+ };
- if ( set ) {
- // convert the value to a string (all browsers do this but IE) see #1070
- elem.setAttribute( name, "" + value );
+ // Set width and height to auto instead of 0 on empty string( Bug #8150 )
+ // This is for removals
+ jQuery.each([ "width", "height" ], function( i, name ) {
+ jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
+ set: function( elem, value ) {
+ if ( value === "" ) {
+ elem.setAttribute( name, "auto" );
+ return value;
+ }
}
+ });
+ });
+}
- // Ensure that missing attributes return undefined
- // Blackberry 4.7 returns "" from getAttribute #6938
- if ( !elem.attributes[ name ] && (elem.hasAttribute && !elem.hasAttribute( name )) ) {
- return undefined;
+// Remove certain attrs if set to false
+jQuery.each([ "selected", "checked", "readOnly", "disabled" ], function( i, name ) {
+ jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
+ set: function( elem, value ) {
+ if ( value === false ) {
+ jQuery.removeAttr( elem, name );
+ return value;
}
+ }
+ });
+});
- var attr = !jQuery.support.hrefNormalized && notxml && special ?
- // Some attributes require a special call on IE
- elem.getAttribute( name, 2 ) :
- elem.getAttribute( name );
+// Some attributes require a special call on IE
+if ( !jQuery.support.hrefNormalized ) {
+ jQuery.each([ "href", "src", "width", "height", "list" ], function( i, name ) {
+ jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
+ get: function( elem ) {
+ var ret = elem.getAttribute( name, 2 );
+ return ret === null ? undefined : ret;
+ }
+ });
+ });
+}
- // Non-existent attributes return null, we normalize to undefined
- return attr === null ? undefined : attr;
+if ( !jQuery.support.style ) {
+ jQuery.attrHooks.style = {
+ get: function( elem ) {
+ // Return undefined in the case of empty string
+ // Normalize to lowercase since IE uppercases css property names
+ return elem.style.cssText.toLowerCase() || undefined;
+ },
+ set: function( elem, value ) {
+ return (elem.style.cssText = "" + value);
}
- // Handle everything which isn't a DOM element node
- if ( set ) {
- elem[ name ] = value;
+ };
+}
+
+// Safari mis-reports the default selected property of an option
+// Accessing the parent's selectedIndex property fixes it
+if ( !jQuery.support.optSelected ) {
+ jQuery.propHooks.selected = jQuery.extend( jQuery.propHooks.selected, {
+ get: function( elem ) {
+ var parent = elem.parentNode;
+
+ if ( parent ) {
+ parent.selectedIndex;
+
+ // Make sure that it also works with optgroups, see #5701
+ if ( parent.parentNode ) {
+ parent.parentNode.selectedIndex;
+ }
+ }
}
- return elem[ name ];
- }
-});
+ });
+}
+ // Radios and checkboxes getter/setter
+ if ( !jQuery.support.checkOn ) {
+ jQuery.each([ "radio", "checkbox" ], function() {
+ jQuery.valHooks[ this ] = {
+ get: function( elem ) {
+ // Handle the case where in Webkit "" is returned instead of "on" if a value isn't specified
+ return elem.getAttribute("value") === null ? "on" : elem.value;
+ }
+ };
+ });
+ }
+ jQuery.each([ "radio", "checkbox" ], function() {
+ jQuery.valHooks[ this ] = jQuery.extend( jQuery.valHooks[ this ], {
+ set: function( elem, value ) {
+ if ( jQuery.isArray( value ) ) {
+ return (elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0);
+ }
+ }
+ });
+ });
+
})( jQuery );
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