MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */
 
(function() {
    var CLASS = 'custom-print';
    var PREVIEW_TEXT = 'Preview';
    var EDIT_TEXT = 'Return';
    var isPrintMode = false;
    var printButton = $('<span class="custom-print-toggle">' + PREVIEW_TEXT + '</span>');
    var body = $('body');
 
    $('#firstHeading').append(printButton);
 
    printButton.click(function() {
        if(isPrintMode === true) {
            printButton.html(PREVIEW_TEXT);
            printButton.removeClass('print-mode');
            body.removeClass(CLASS);
            isPrintMode = false;
        } else {
            printButton.html(EDIT_TEXT);
            printButton.addClass('print-mode');
            body.addClass(CLASS);
            isPrintMode = true;
        }
 
    });
 
}());