What is the difference between slice() and substr() in JavaScript?

Question

Can I ask what the difference is between string object slice() and substr() in JavaScript?

Answer 1

1. String.slice(begin, end)

   This method will cut text from begin to end char, eg.:

   alert("Hello World!".slice(1, 8)); // ello Wo
   

2. String.substr(begin, length)

   This method will cut text from begin to begin + length char, eg.:

   alert("Hello World!".substr(1, 8)); // ello Wor