Shower::prev: added prevSteps check
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@ -107,6 +107,10 @@ window.shower = window.shower || (function(window, document, undefined) {
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prevSteps = document.getElementById(slide.id).querySelectorAll('.next.active');
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if ( ! prevSteps || prevSteps.length < 1) {
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return false;
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}
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if (slide.innerComplete > 0) {
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slide.innerComplete--;
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prevSteps[prevSteps.length - 1].classList.remove('active');
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