141 lines
3.2 KiB
JavaScript
141 lines
3.2 KiB
JavaScript
define( [
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"../core",
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"../core/access",
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"../core/nodeName",
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"./support",
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"../var/rnothtmlwhite",
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"../selector"
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], function( jQuery, access, nodeName, support, rnothtmlwhite ) {
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"use strict";
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var boolHook,
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attrHandle = jQuery.expr.attrHandle;
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jQuery.fn.extend( {
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attr: function( name, value ) {
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return access( this, jQuery.attr, name, value, arguments.length > 1 );
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},
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removeAttr: function( name ) {
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return this.each( function() {
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jQuery.removeAttr( this, name );
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} );
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}
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} );
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jQuery.extend( {
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attr: function( elem, name, value ) {
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var ret, hooks,
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nType = elem.nodeType;
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// Don't get/set attributes on text, comment and attribute nodes
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if ( nType === 3 || nType === 8 || nType === 2 ) {
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return;
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}
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// Fallback to prop when attributes are not supported
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if ( typeof elem.getAttribute === "undefined" ) {
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return jQuery.prop( elem, name, value );
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}
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// Attribute hooks are determined by the lowercase version
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// Grab necessary hook if one is defined
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if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
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hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
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( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
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}
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if ( value !== undefined ) {
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if ( value === null ) {
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jQuery.removeAttr( elem, name );
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return;
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}
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if ( hooks && "set" in hooks &&
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( ret = hooks.set( elem, value, name ) ) !== undefined ) {
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return ret;
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}
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elem.setAttribute( name, value + "" );
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return value;
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}
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if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
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return ret;
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}
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ret = jQuery.find.attr( elem, name );
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// Non-existent attributes return null, we normalize to undefined
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return ret == null ? undefined : ret;
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},
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attrHooks: {
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type: {
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set: function( elem, value ) {
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if ( !support.radioValue && value === "radio" &&
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nodeName( elem, "input" ) ) {
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var val = elem.value;
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elem.setAttribute( "type", value );
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if ( val ) {
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elem.value = val;
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}
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return value;
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}
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}
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}
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},
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removeAttr: function( elem, value ) {
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var name,
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i = 0,
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// Attribute names can contain non-HTML whitespace characters
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// https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
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attrNames = value && value.match( rnothtmlwhite );
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if ( attrNames && elem.nodeType === 1 ) {
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while ( ( name = attrNames[ i++ ] ) ) {
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elem.removeAttribute( name );
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}
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}
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}
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} );
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// Hooks for boolean attributes
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boolHook = {
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set: function( elem, value, name ) {
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if ( value === false ) {
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// Remove boolean attributes when set to false
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jQuery.removeAttr( elem, name );
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} else {
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elem.setAttribute( name, name );
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}
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return name;
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}
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};
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jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
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var getter = attrHandle[ name ] || jQuery.find.attr;
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attrHandle[ name ] = function( elem, name, isXML ) {
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var ret, handle,
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lowercaseName = name.toLowerCase();
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if ( !isXML ) {
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// Avoid an infinite loop by temporarily removing this function from the getter
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handle = attrHandle[ lowercaseName ];
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attrHandle[ lowercaseName ] = ret;
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ret = getter( elem, name, isXML ) != null ?
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lowercaseName :
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null;
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attrHandle[ lowercaseName ] = handle;
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}
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return ret;
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};
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} );
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} );
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