[strings] add jsPerf and discussion about long strings with concatenation. Fixes #40
[strings] add jsPerf and discussion about long strings with concatenation. Fixes #40

allanfish/javascript,bl00mber/javascript,getjll/JavaScript-Style-Guide,ExactTarget/javascript,pokelondon/javascript,cloudability/javascript-style-guide,r14r/fork_javascript_javascript_style_guide,practicefusion/javascript,ljharb/javascript,codelegant/JavaScript,airbnb/javascript,gdborton/javascript,xalexec/javascript,whichdigital/javascript-coding-standards,LodoSoftware/javascript-style-guide,nulogy/javascript,codelegant/JavaScript,addshoppers/javascript,r14r-work/fork_javascript_javascript_style_guide,webcoding/javascript-style-guide,naustudio/javascript,LodoSoftware/javascript-style-guide,naustudio/javascript,appcom-interactive/javascript