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Rompe la cadena encerrada en la etiqueta <span>

Quería cambiar las " Lecciones " por las " Canciones ", ya que 0 de 22 valores dinámicos se incrementará a medida que alguien haga clic en el botón. Lo he intentado con este código pero no está incrementando el número:

 setInterval(() => { if ($('#completion-count').length && !$('.completion_count_no_repeat').length) { $('#completion-count').empty(); $("#completion-count").append(`<span id="completion-count" class="font-semibold">0 of 22 Songs Completed</span>`); } }, 1000);
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <span id="completion-count" class="font-semibold">0 of 22 Lessons Completed</span>

about 4 years ago · Juan Pablo Isaza
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No estás incrementando el número.

Debe llevar la cuenta del último número y luego formatearlo en la cadena:

 let index = 0; setInterval(() => { if ($('#completion-count').length && !$('.completion_count_no_repeat').length) { $('#completion-count').empty(); $("#completion-count").append(`<span id="completion-count" class="font-semibold">${index} of 22 Songs Completed</span>`) } index++; }, 1000);
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <span id="completion-count" class="font-semibold">0 of 22 Lessons Completed</span>

Las llaves en la cadena son para plantillas. ( https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals )

about 4 years ago · Juan Pablo Isaza Report
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