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This commit fixes a regression from "fix(common): ensure scrollRestoration is writable (#30630)" that caused scrolling to not happen at all in browsers that do not support scroll restoration. The issue was that `supportScrollRestoration` was updated to return `false` if a browser did not have a writable `scrollRestoration`. However, the previous behavior was that the function would return `true` if `window.scrollTo` was defined. Every scrolling function in the `ViewportScroller` used `supportScrollRestoration` and, with the update in bb88c9f, no scrolling would be performed if a browser did not have writable `scrollRestoration` but _did_ have `window.scrollTo`. Note, that this failure was detected in the saucelabs tests. IE does not support scroll restoration so IE tests were failing. PR Close #38468
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This commit fixes a regression from "fix(common): ensure
scrollRestoration is writable (angular#30630)" that caused scrolling to not
happen at all in browsers that do not support scroll restoration. The
issue was that
supportScrollRestorationwas updated to returnfalseif a browser did not have a writable
scrollRestoration. However, theprevious behavior was that the function would return
trueifwindow.scrollTowas defined. Every scrolling function in theViewportScrollerusedsupportScrollRestorationand, with the updatein bb88c9f, no scrolling would be
performed if a browser did not have writable
scrollRestorationbutdid have
window.scrollTo.Note, that this failure was detected in the saucelabs tests. IE does not
support scroll restoration so IE tests were failing.
PR Close angular#38468
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