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mgolmgol
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Core: Drop support for IE (all versions)
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‎.github/workflows/browserstack.yml‎

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@@ -21,7 +21,6 @@ jobs:
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fail-fast: false
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matrix:
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BROWSER:
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- 'IE_11'
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- 'Safari_latest'
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- 'Safari_latest-1'
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- 'Chrome_latest'

‎.github/workflows/node.js.yml‎

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@@ -87,34 +87,6 @@ jobs:
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- name: Run tests
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run: npm run ${{ matrix.NPM_SCRIPT }}
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ie:
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runs-on: windows-latest
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env:
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NODE_VERSION: 20.x
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name: test:ie - IE
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steps:
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- name: Checkout
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uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
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- name: Use Node.js ${{ env.NODE_VERSION }}
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uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b # v4.0.3
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with:
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node-version: ${{ env.NODE_VERSION }}
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- name: Cache
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uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
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with:
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path: ~/.npm
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key: ${{ runner.os }}-node-${{ env.NODE_VERSION }}-npm-lock-${{ hashFiles('**/package-lock.json') }}
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restore-keys: |
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${{ runner.os }}-node-${{ env.NODE_VERSION }}-npm-lock-
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- name: Install dependencies
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run: npm install
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- name: Run tests in Edge in IE mode
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run: npm run test:ie
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safari:
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runs-on: macos-latest
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env:

‎eslint.config.js‎

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@@ -271,6 +271,15 @@ export default [
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}
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},
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{
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files: [
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"test/jquery.js"
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],
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languageOptions: {
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ecmaVersion: 2020
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}
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},
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{
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files: [
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"test/unit/deferred.js"

‎package.json‎

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@@ -74,7 +74,6 @@
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"test:chrome": "npm run pretest && npm run build:main && npm run test:unit -- -v -b chrome -h",
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"test:edge": "npm run pretest && npm run build:main && npm run test:unit -- -v -b edge -h",
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"test:firefox": "npm run pretest && npm run build:main && npm run test:unit -- -v -b firefox -h",
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"test:ie": "npm run pretest && npm run build:main && npm run test:unit -- -v -b ie",
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"test:safari": "npm run pretest && npm run build:main && npm run test:unit -- -b safari",
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"test:server": "node test/runner/server.js",
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"test:esm": "npm run pretest && npm run build:main && npm run test:unit -- --esm -h",

‎src/ajax.js‎

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@@ -455,20 +455,12 @@ jQuery.extend( {
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if ( !responseHeaders ) {
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responseHeaders = {};
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while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
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// Support: IE 11+
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// `getResponseHeader( key )` in IE doesn't combine all header
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// values for the provided key into a single result with values
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// joined by commas as other browsers do. Instead, it returns
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// them on separate lines.
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responseHeaders[ match[ 1 ].toLowerCase() + " " ] =
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( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] )
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.concat( match[ 2 ] );
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responseHeaders[ match[ 1 ].toLowerCase() + " " ] = match[ 2 ];
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}
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}
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match = responseHeaders[ key.toLowerCase() + " " ];
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}
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return match == null ? null : match.join( ", " );
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return match == null ? null : match;
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},
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// Raw string
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// A cross-domain request is in order when the origin doesn't match the current origin.
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if ( s.crossDomain == null ) {
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urlAnchor = document.createElement( "a" );
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// Support: IE <=8 - 11+
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// IE throws exception on accessing the href property if url is malformed,
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// e.g. http://example.com:80x/
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try {
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urlAnchor.href = s.url;
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// Support: IE <=8 - 11+
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// Anchor's host property isn't correctly set when s.url is relative
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urlAnchor.href = urlAnchor.href;
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s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
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urlAnchor.protocol + "//" + urlAnchor.host;
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} catch ( e ) {
558-
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// If there is an error parsing the URL, assume it is crossDomain,
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// it can be rejected by the transport if it is invalid
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s.crossDomain = true;
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}
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urlAnchor.href = s.url;
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s.crossDomain = originAnchor.origin !== urlAnchor.origin;
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}
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// Apply prefilters

‎src/ajax/load.js‎

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@@ -50,8 +50,8 @@ jQuery.fn.load = function( url, params, callback ) {
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self.html( selector ?
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// If a selector was specified, locate the right elements in a dummy div
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// Exclude scripts to avoid IE 'Permission Denied' errors
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// If a selector was specified, locate the right elements in a dummy div.
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// Exclude scripts.
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jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
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// Otherwise use the full result

‎src/attributes/attr.js‎

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@@ -1,8 +1,6 @@
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import { jQuery } from "../core.js";
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import { access } from "../core/access.js";
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import { nodeName } from "../core/nodeName.js";
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import { rnothtmlwhite } from "../var/rnothtmlwhite.js";
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import { isIE } from "../var/isIE.js";
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jQuery.fn.extend( {
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attr: function( name, value ) {
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}
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}
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} );
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// Support: IE <=11+
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// An input loses its value after becoming a radio
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if ( isIE ) {
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jQuery.attrHooks.type = {
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set: function( elem, value ) {
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if ( value === "radio" && nodeName( elem, "input" ) ) {
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var val = elem.value;
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elem.setAttribute( "type", value );
98-
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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}

‎src/attributes/prop.js‎

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@@ -1,6 +1,5 @@
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import { jQuery } from "../core.js";
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import { access } from "../core/access.js";
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import { isIE } from "../var/isIE.js";
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54
var rfocusable = /^(?:input|select|textarea|button)$/i,
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rclickable = /^(?:a|area)$/i;
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tabIndex: {
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get: function( elem ) {
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// Support: IE <=9 - 11+
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// elem.tabIndex doesn't always return the
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// correct value when it hasn't been explicitly set
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// Use proper attribute retrieval (trac-12072)
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8583
}
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} );
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88-
// Support: IE <=11+
89-
// Accessing the selectedIndex property forces the browser to respect
90-
// setting selected on the option. The getter ensures a default option
91-
// is selected when in an optgroup. ESLint rule "no-unused-expressions"
92-
// is disabled for this code since it considers such accessions noop.
93-
if ( isIE ) {
94-
jQuery.propHooks.selected = {
95-
get: function( elem ) {
96-
97-
var parent = elem.parentNode;
98-
if ( parent && parent.parentNode ) {
99-
// eslint-disable-next-line no-unused-expressions
100-
parent.parentNode.selectedIndex;
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}
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return null;
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},
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set: function( elem ) {
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var parent = elem.parentNode;
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if ( parent ) {
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// eslint-disable-next-line no-unused-expressions
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parent.selectedIndex;
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if ( parent.parentNode ) {
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// eslint-disable-next-line no-unused-expressions
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parent.parentNode.selectedIndex;
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}
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}
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}
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};
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}
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jQuery.each( [
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"tabIndex",
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"readOnly",

‎src/attributes/val.js‎

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@@ -1,6 +1,4 @@
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import { jQuery } from "../core.js";
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import { isIE } from "../var/isIE.js";
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import { stripAndCollapse } from "../core/stripAndCollapse.js";
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import { nodeName } from "../core/nodeName.js";
53

64
import "../core/init.js";
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140138
}
141139
} );
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143-
if ( isIE ) {
144-
jQuery.valHooks.option = {
145-
get: function( elem ) {
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147-
var val = elem.getAttribute( "value" );
148-
return val != null ?
149-
val :
150-
151-
// Support: IE <=10 - 11+
152-
// option.text throws exceptions (trac-14686, trac-14858)
153-
// Strip and collapse whitespace
154-
// https://html.spec.whatwg.org/#strip-and-collapse-whitespace
155-
stripAndCollapse( jQuery.text( elem ) );
156-
}
157-
};
158-
}
159-
160141
// Radios and checkboxes getter/setter
161142
jQuery.each( [ "radio", "checkbox" ], function() {
162143
jQuery.valHooks[ this ] = {

‎src/core.js‎

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@@ -323,14 +323,7 @@ jQuery.extend( {
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contains: function( a, b ) {
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var bup = b && b.parentNode;
325325

326-
return a === bup || !!( bup && bup.nodeType === 1 && (
327-
328-
// Support: IE 9 - 11+
329-
// IE doesn't have `contains` on SVG.
330-
a.contains ?
331-
a.contains( bup ) :
332-
a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
333-
) );
326+
return a === bup || !!( bup && bup.nodeType === 1 && a.contains( bup ) );
334327
},
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336329
merge: function( first, second ) {
@@ -395,7 +388,7 @@ jQuery.extend( {
395388
}
396389

397390
// Flatten any nested arrays
398-
return flat( ret );
391+
return flat.call( ret );
399392
},
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401394
// A global GUID counter for objects

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