Removed focus from handle onmouseup event

[reachtokish]

added this.blur(); to remove focus from handle onmouseup event. This will resolve the issue id #579 as well.

[codecov]

Codecov Report

Merging #582 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #582   +/-   ##
=======================================
  Coverage   95.18%   95.18%           
=======================================
  Files           2        2           
  Lines          83       83           
  Branches       25       25           
=======================================
  Hits           79       79           
  Misses          4        4

---

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[codecov]

Codecov Report

Merging #582 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #582   +/-   ##
=======================================
  Coverage   95.18%   95.18%           
=======================================
  Files           2        2           
  Lines          83       83           
  Branches       25       25           
=======================================
  Hits           79       79           
  Misses          4        4

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 3a1be18...e52f346. Read the comment docs.

[yoyo837]

Rebase please.

[lvnam96]

It seems @reachtokish is not taking care of this PR anymore, but I want issue #579 to be resolved.
@yoyo837 Shall I resubmit another PR?

[yoyo837]

It seems @reachtokish is not taking care of this PR anymore, but I want issue #579 to be resolved. @yoyo837 Shall I resubmit another PR?

Sure.