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1 define( [
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2 "../core",
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3 "../core/access",
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4 "../core/nodeName",
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5 "./support",
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6 "../var/rnothtmlwhite",
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7 "../selector"
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8 ], function( jQuery, access, nodeName, support, rnothtmlwhite ) {
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9
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10 "use strict";
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11
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12 var boolHook,
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13 attrHandle = jQuery.expr.attrHandle;
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14
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15 jQuery.fn.extend( {
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16 attr: function( name, value ) {
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17 return access( this, jQuery.attr, name, value, arguments.length > 1 );
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18 },
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19
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20 removeAttr: function( name ) {
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21 return this.each( function() {
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22 jQuery.removeAttr( this, name );
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23 } );
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24 }
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25 } );
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26
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27 jQuery.extend( {
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28 attr: function( elem, name, value ) {
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29 var ret, hooks,
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30 nType = elem.nodeType;
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31
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32 // Don't get/set attributes on text, comment and attribute nodes
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33 if ( nType === 3 || nType === 8 || nType === 2 ) {
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34 return;
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35 }
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36
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37 // Fallback to prop when attributes are not supported
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38 if ( typeof elem.getAttribute === "undefined" ) {
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39 return jQuery.prop( elem, name, value );
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40 }
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41
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42 // Attribute hooks are determined by the lowercase version
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43 // Grab necessary hook if one is defined
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44 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
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45 hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
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46 ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
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47 }
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48
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49 if ( value !== undefined ) {
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50 if ( value === null ) {
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51 jQuery.removeAttr( elem, name );
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52 return;
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53 }
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54
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55 if ( hooks && "set" in hooks &&
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56 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
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57 return ret;
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58 }
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59
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60 elem.setAttribute( name, value + "" );
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61 return value;
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62 }
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63
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64 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
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65 return ret;
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66 }
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67
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68 ret = jQuery.find.attr( elem, name );
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69
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70 // Non-existent attributes return null, we normalize to undefined
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71 return ret == null ? undefined : ret;
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72 },
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73
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74 attrHooks: {
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75 type: {
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76 set: function( elem, value ) {
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77 if ( !support.radioValue && value === "radio" &&
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78 nodeName( elem, "input" ) ) {
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79 var val = elem.value;
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80 elem.setAttribute( "type", value );
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81 if ( val ) {
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82 elem.value = val;
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83 }
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84 return value;
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85 }
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86 }
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87 }
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88 },
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89
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90 removeAttr: function( elem, value ) {
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91 var name,
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92 i = 0,
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93
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94 // Attribute names can contain non-HTML whitespace characters
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95 // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
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96 attrNames = value && value.match( rnothtmlwhite );
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97
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98 if ( attrNames && elem.nodeType === 1 ) {
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99 while ( ( name = attrNames[ i++ ] ) ) {
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100 elem.removeAttribute( name );
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101 }
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102 }
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103 }
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104 } );
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105
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106 // Hooks for boolean attributes
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107 boolHook = {
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108 set: function( elem, value, name ) {
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109 if ( value === false ) {
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110
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111 // Remove boolean attributes when set to false
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112 jQuery.removeAttr( elem, name );
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113 } else {
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114 elem.setAttribute( name, name );
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115 }
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116 return name;
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117 }
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118 };
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119
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120 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
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121 var getter = attrHandle[ name ] || jQuery.find.attr;
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122
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123 attrHandle[ name ] = function( elem, name, isXML ) {
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124 var ret, handle,
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125 lowercaseName = name.toLowerCase();
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126
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127 if ( !isXML ) {
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128
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129 // Avoid an infinite loop by temporarily removing this function from the getter
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130 handle = attrHandle[ lowercaseName ];
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131 attrHandle[ lowercaseName ] = ret;
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132 ret = getter( elem, name, isXML ) != null ?
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133 lowercaseName :
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134 null;
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135 attrHandle[ lowercaseName ] = handle;
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136 }
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137 return ret;
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138 };
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139 } );
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140
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141 } );
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