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.code').find('.line').map(function(i, e) { return $(e).text(); }).toArray().join('\n'); var ta = document.createElement('textarea'); var yPosition = window.pageYOffset || document.documentElement.scrollTop; ta.style.top = yPosition + 'px'; // Prevent page scroll ta.style.position = 'absolute'; ta.style.opacity = '0'; ta.readOnly = true; ta.value = code; document.body.appendChild(ta); const selection = document.getSelection(); const selected = selection.rangeCount > 0 ? selection.getRangeAt(0) : false; ta.select(); ta.setSelectionRange(0, code.length); ta.readOnly = false; var result = document.execCommand('copy'); if (result) $(this).text('复制成功'); else $(this).text('复制失败'); ta.blur(); // For iOS $(this).blur(); if (selected) { selection.removeAllRanges(); selection.addRange(selected); } })).on('mouseleave', function(e) { var $b = $(this).find('.copy-btn'); setTimeout(function() { $b.text('复制'); }, 300); }).append(e); })