yetangitu/pdf.js
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Check availability of canvas & PDF before printing

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This commit is contained in:
Rob Wu 2015-06-05 23:55:08 +02:00
parent 8aa1c8102e
commit f4ba0e342e
2 changed files with 2 additions and 2 deletions
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web/mozPrintCallback_polyfill.js
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@ -82,7 +82,7 @@
function renderProgress() {
var progressContainer = document.getElementById('mozPrintCallback-shim');
if (canvases) {
if (canvases && canvases.length) {
var progress = Math.round(100 * index / canvases.length);
var progressBar = progressContainer.querySelector('progress');
var progressPerc = progressContainer.querySelector('.relative-progress');