ext.confirmEdit.fancyCaptcha.js
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ext.confirmEdit.fancyCaptcha.js
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	/* eslint-disable no-jquery/no-global-selector */
	$( document ).on( 'click', '.fancycaptcha-reload', function () {
	const $this = $( this ),
	$root = $this.closest( '.fancycaptcha-captcha-container' ),
	$captchaImage = $root.find( '.fancycaptcha-image' );

	$this.addClass( 'fancycaptcha-reload-loading' );

	// AJAX request to get captcha index key
	new mw.Api().post( { action: 'fancycaptchareload' } ).done( ( data ) => {
	const captchaIndex = data.fancycaptchareload.index;
	let imgSrc;
	if ( typeof captchaIndex === 'string' ) {
	// replace index key with a new one for captcha image
	imgSrc = $captchaImage.attr( 'src' ).replace( /(wpCaptchaId=)\w+/, '$1' + captchaIndex );
	$captchaImage.attr( 'src', imgSrc );

	// replace index key with a new one for hidden tag
	$( '#mw-input-captchaId' ).val( captchaIndex );
	$( '#mw-input-captchaWord' ).val( '' ).trigger( 'focus' );

	// now do the same with a selector that works for pre-1.27 login forms
	$root.find( '[name="wpCaptchaId"]' ).val( captchaIndex );
	$root.find( '[name="wpCaptchaWord"]' ).val( '' ).trigger( 'focus' );

	// and make it accessible for other tools, e.g. VisualEditor
	$captchaImage.data( 'captchaId', captchaIndex );
	}
	} )
	.always( () => {
	$this.removeClass( 'fancycaptcha-reload-loading' );
	} );

	return false;
	} );