Change tested NodeJS versions (#1651)

Remove Node 4 & 9 because both are EOL'd. Node 10 + current were added.
PrismJS · Jan 22, 2019 · 6ec71e0 · 6ec71e0
1 parent 4c66d72
commit 6ec71e0
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,9 +1,9 @@
 language: node_js
 node_js:
-- '4'
 - '6'
 - '8'
-- '9'
+- '10'
+- 'node'
 # Build all branches
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   only: