https://www.skyperfectv.co.jp/global/assets/js/guard.js

1(function ($) {
2  const pluginName = 'imgGuard';
3  $.fn[pluginName] = function (options) {
4    const opt = $.extend($.fn[pluginName].defaults, options);
5    const targetArea = $(this.selector);
6    return this.each(function () {
7      $(this)
8        .wrap('<span class="itemGuard"></span>')
9        .before(`<span class="play"><img src="${opt.spacerSrc}" /></span>`);
10      $(this)
11        .parent('.itemGuard')
12        .find('img')
13        .bind('contextmenu', function () {
14          return false;
15        });
16      if (typeof opt.zIndex === 'number') {
17        $(this).parent('.itemGuard').find('.play').css({ zIndex: opt.zIndex });
18      }
19    });
20  };
21  $.fn[pluginName].defaults = {
22    spacerSrc: '/global/assets/images/parts/spacer.gif',
23    zIndex: false,
24  };
25})(jQuery);
26// imgGuard実行
27jQuery(function ($) {
28  $('.guard').imgGuard();
29});