split last javascript code example

Example 1: javascript split get last element

a = "hello.dear.friends"
a.split(".").pop()
> "friends"

Example 2: js split last occurence

var lastIndex = src.lastIndexOf('.');

  // Add the string before the last .
  // Return updated string, this will update the src attribute value
  return src.substr(0, lastIndex) + '-fx' + src.substr(lastIndex);

Example 3: split and get last

Use rev command altogether with cut command as follows:
echo "a1 a2 a3 a4 a5" | rev | cut -d ' ' -f '1' | rev
#rev reverses string, then you cut from 2th field to end and reverse back

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