Performance tests

jsperf.md

Objects

• Inherited properties: https://jsperf.com/3vv4lk4688/1
• Frozen vs sealed vs normal object: https://jsperf.com/freeze-vs-seal-vs-normal/3
• Deep property access: https://jsperf.com/g3ped5fszq
• Key-value lookup: https://jsperf.com/if-switch-lookup-table/107
• Property deletion: https://jsperf.com/property-deletion

Arrays

• Splice vs slice/concat: https://jsperf.com/hm5rbrvi4cdmaukwfr
• Assignment vs push: https://jsperf.com/array-direct-assignment-vs-push/5

Arguments

• Slicing: https://jsperf.com/ig9pxarkxusy
• Spread vs apply: https://jsperf.com/es6-spread-vs-apply

Dates

• Date formatting: https://jsperf.com/date-formatting-performance

Strings

• End matching: https://jsperf.com/g8397g9hq4
• Traversal of spaced string parts: https://jsperf.com/traversal-of-spaced-string-parts
• Mix of string and regex matching: https://jsperf.com/array-of-string-matchers
• Strip occurrences of words: https://jsperf.com/strip-occurrences-of-a-word

Styles

• Reset property: https://jsperf.com/clear-style-property

DOM mutation

• appendChild vs insertBefore: https://jsperf.com/insertbefore-vs-appendchild/27
• insertAdjacentElement: https://jsperf.com/innerhtml-vs-insertadjacenthtml-vs-dom/8
• cloneNode vs createElement: https://jsperf.com/d8gka4pahc
• cloneNode vs importNode: https://jsperf.com/importnode-vs-clonenode