User:Admin/common.js

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var customizeToolbar = function() {
$('#wpTextbox1').wikiEditor('addToToolbar', {
	section: 'advanced',
	group: 'format',
	tools: {
		"strikethrough": {
			label: 'Strike',
			type: 'button',
			icon: '//upload.wikimedia.org/wikipedia/commons/3/30/Btn_toolbar_rayer.png',
			action: {
				type: 'encapsulate',
				options: {
					pre: "<s>",
					post: "</s>"
				}
			}
		}
	}
});

$( '#wpTextbox1' ).wikiEditor( 'addToToolbar', {
	section: 'advanced',
	group: 'format',
	tools: {
		"hline": {
			label: 'Horizontal line',
			type: 'button',
			icon: '//upload.wikimedia.org/wikipedia/commons/0/0d/Button_hr.png',
			action: {
				type: 'encapsulate',
				options: {
					pre: "----",
					ownline: true
				}
			}
		}
	}
} );

$( '#wpTextbox1' ).wikiEditor( 'addToToolbar', {
	section: 'advanced',
	group: 'format',
	tools: {
		"hline": {
			label: 'Test1',
			type: 'button',
                        icon: '//upload.wikimedia.org/wikipedia/commons/b/b7/Implosive_b.png',
			action: {
				type: 'encapsulate',
				options: {
					pre: "Ɓ ɓ Ɗ ɗ Ƙ ƙ Ƴ ƴ",
					ownline: true
				}
			}
		}
	}
} );
};

/* Check if view is in edit mode and that the required modules are available. Then, customize the toolbar … */
if ( $.inArray( mw.config.get( 'wgAction' ), [ 'edit', 'submit' ] ) !== -1 ) {
	mw.loader.using( 'user.options', function () {
		// This can be the string "0" if the user disabled the preference ([[phab:T54542#555387]])
		if ( mw.user.options.get( 'usebetatoolbar' ) == 1 ) {
			$.when(
				mw.loader.using( 'ext.wikiEditor.toolbar' ), $.ready
			).then( customizeToolbar );
		}
	} );
}
// Add the customizations to LiquidThreads' edit toolbar, if available
mw.hook( 'ext.lqt.textareaCreated' ).add( customizeToolbar );