# HG changeset patch
# User Yaroslav Zhuravlev <yar@nginx.com>
# Date 1603201013 -3600
# Node ID 6fdefb00858f94e10b7aa3f0e733c392a62e6e7f
# Parent  454af1d390210877c940e4635633c29aa1b202f6
Documented Buffer.from(arrayBuffer) method in njs.

diff --git a/xml/en/docs/njs/reference.xml b/xml/en/docs/njs/reference.xml
--- a/xml/en/docs/njs/reference.xml
+++ b/xml/en/docs/njs/reference.xml
@@ -9,7 +9,7 @@
 <article name="Reference"
         link="/en/docs/njs/reference.html"
         lang="en"
-        rev="55">
+        rev="56">
 
 <section id="summary">
 
@@ -969,6 +969,17 @@ in the range <literal>0</literal> – <literal>255</literal>.
 Array entries outside that range will be truncated.
 </tag-desc>
 
+<tag-name id="buffer_from_arraybuffer"><literal>Buffer.from(<value>arrayBuffer</value>,
+<value>byteOffset</value>[,
+<value>length</value>]])</literal></tag-name>
+<tag-desc>
+Creates a view of the <value>ArrayBuffer</value>
+without copying the underlying memory.
+The optional <value>byteOffset</value> and <value>length</value> arguments
+specify a memory range within the <value>arrayBuffer</value>
+that will be shared by the Buffer.
+</tag-desc>
+
 <tag-name id="buffer_from_buffer"><literal>Buffer.from(<value>buffer</value>)</literal></tag-name>
 <tag-desc>
 Copies the passed buffer data onto a new Buffer instance.