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Merge pull request #7800 from Snuffleupagus/compatibility-Safari-regex

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Replace the Safari detection in `checkRangeRequests` in compatibility.js with a regular expression
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Jonas Jenwald 2016-11-11 17:57:29 +01:00 committed by GitHub
commit a139c75774
1 changed files with 3 additions and 4 deletions
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web/compatibility.js
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@ -457,16 +457,15 @@ if (typeof PDFJS === 'undefined') {
// https://github.com/mozilla/pdf.js/issues/3260
// Last tested with version 6.0.4.
// Support: Safari 6.0+
var isSafari = Object.prototype.toString.call(
window.HTMLElement).indexOf('Constructor') > 0;
var isSafari = /Safari\//.test(navigator.userAgent) &&
!/(Chrome\/|Android\s)/.test(navigator.userAgent);
// Older versions of Android (pre 3.0) has issues with range requests, see:
// https://github.com/mozilla/pdf.js/issues/3381.
// Make sure that we only match webkit-based Android browsers,
// since Firefox/Fennec works as expected.
// Support: Android<3.0
var regex = /Android\s[0-2][^\d]/;
var isOldAndroid = regex.test(navigator.userAgent);
var isOldAndroid = /Android\s[0-2][^\d]/.test(navigator.userAgent);
// Range requests are broken in Chrome 39 and 40, https://crbug.com/442318
var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(navigator.userAgent);