fix(js sdk): fix dead link

[yongenaelf]

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[vizipi]

Pull request analysis by VIZIPI

Below you will find who is the most qualified team member to review your code.
This analysis includes his/her work on the code included in this Pull request, in addition to their experience in code affected by these changes ( partly found within the list of potential missing files below )   Feedback always welcome

Reviewers with knowledge related to these changes

Match %	Person	Commit Count	Common Files
100.00 %	wangyue	3	1

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Potential missing files from this Pull request

files commonly committed with a subset of this pr, but not committed this time. (click to collapse)

File	Percentile	rate
docs-sphinx/reference/chain-sdk/php/php-sdk.rst	71.43 %	5 out of 7 times
docs-sphinx/reference/smart-contract-api/genesis.rst	71.43 %	5 out of 7 times
docs-sphinx/reference/chain-sdk/java/java-sdk.rst	71.43 %	5 out of 7 times
docs-sphinx/reference/chain-sdk/py/py-sdk.rst	71.43 %	5 out of 7 times
docs-sphinx/reference/chain-sdk/py/py-sdk.md	71.43 %	5 out of 7 times
docs-sphinx/reference/chain-sdk/php/php-sdk.md	71.43 %	5 out of 7 times
docs-sphinx/reference/chain-sdk/go/go-sdk.md	71.43 %	5 out of 7 times
src/AElf.OS.Network.Grpc/BoundedExpirationCache.cs	71.43 %	5 out of 7 times
docs-sphinx/reference/chain-sdk/index.rst	71.43 %	5 out of 7 times
docs-sphinx/reference/chain-sdk/java/java-sdk.md	71.43 %	5 out of 7 times

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Committed file ranks

(click to expand)

40.07%[docs-sphinx/reference/chain-sdk/javascript/js-sdk.rst]

[codecov]

Codecov Report

Merging #3468 (908b528) into docs (107aacf) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             docs    #3468   +/-   ##
=======================================
  Coverage   91.05%   91.05%           
=======================================
  Files         619      619           
  Lines       23682    23682           
  Branches     2093     2093           
=======================================
  Hits        21563    21563           
  Misses       1988     1988           
  Partials      131      131