How to get this code in one line in sublime?

Question

HTML

<div class="item item-1"></div>
  <div class="item item-2"></div>
  <div class="item item-3"></div>
  <div class="item item-4"></div>
  <div class="item item-5"></div>
  <div class="item item-6"></div>

Answer 1

.item.item$*6 - like this

Answer 2

https://docs.emmet.io/

Answer 3

Use the emmet plugin (sublime probably already has it).
Type this entry and press tab:
div.item.item$*6
or
.item.item$*6
Learn more about emmet here