jquery源码之val()

//这两个结果是一样的&＃xff01;val()默认取的是第一个值&＃xff01;
alert($("input[name&＃61;&＃39;parameters.organizationCode&＃39;]").val());
alert($("input[name&＃61;&＃39;parameters.organizationCode&＃39;]").eq(0).val());
val: function( value ) {var hooks, ret, isFunction,elem &＃61; this[0];if ( !arguments.length ) {if ( elem ) {hooks &＃61; jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];if ( hooks && "get" in hooks && (ret &＃61; hooks.get( elem, "value" )) !&＃61;&＃61; undefined ) {return ret;}ret &＃61; elem.value;return typeof ret &＃61;&＃61;&＃61; "string" ?// handle most common string casesret.replace(rreturn, "") :// handle cases where value is null/undef or numberret &＃61;&＃61; null ? "" : ret;}return;}