add qunit-extras => timeout
fix bug => QUnit.assert.timeout
refactoring => using jquery.css instead
Merge branch 'rotary'
test => limit equal string length
test => limit more string length
test => limit less string length
refactoring => using ?: instead
Merge branch 'limit_string_length' into master
add test into all-tests.html
test => triangular number
refactoring => using ?: instead
fix bug => triangluar(0)
refactoring => using arithmetic instead
test => cannonball number
refactoring => rename parameter names
refactoring => support max cannonball number
refactoring => using Array.reduce() instead loop
refactoring => using loop for max number
refactoring => using arithmetic from codewars