Goyslop/4chan-x
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Add $.rmAll.

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Up to 60 000 times faster than innerHTML = null! (wtf)
Crazy stuff.
This commit is contained in:
Nicolas Stepien 2013-04-14 20:16:33 +02:00
parent f753ed1db6
commit 0ff0b14d27
2 changed files with 12 additions and 7 deletions
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5
lib/$.coffee
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@ -102,6 +102,11 @@ $.extend $,
(el) -> el.remove() (el) -> el.remove()
else else
(el) -> el.parentNode?.removeChild el (el) -> el.parentNode?.removeChild el
rmAll: (el) ->
# jsperf.com/emptify-element
while node = el.firstChild
$.rm node
return
tn: (s) -> tn: (s) ->
d.createTextNode s d.createTextNode s
nodes: (nodes) -> nodes: (nodes) ->

14
src/features.coffee
View File

@ -86,7 +86,7 @@ Header =
generateBoardList: (text) -> generateBoardList: (text) ->
list = $ '#custom-board-list', Header.bar list = $ '#custom-board-list', Header.bar
list.innerHTML = null $.rmAll list
return unless text return unless text
as = $$('#full-board-list a', Header.bar)[0...-2] # ignore the Settings and Home links as = $$('#full-board-list a', Header.bar)[0...-2] # ignore the Settings and Home links
nodes = text.match(/[\w@]+(-(all|title|full|index|catalog|text:"[^"]+"))*|[^\w@]+/g).map (t) -> nodes = text.match(/[\w@]+(-(all|title|full|index|catalog|text:"[^"]+"))*|[^\w@]+/g).map (t) ->
@ -358,7 +358,7 @@ Settings =
$.rmClass selected, 'tab-selected' $.rmClass selected, 'tab-selected'
$.addClass $(".tab-#{@hyphenatedTitle}", Settings.dialog), 'tab-selected' $.addClass $(".tab-#{@hyphenatedTitle}", Settings.dialog), 'tab-selected'
section = $ 'section', Settings.dialog section = $ 'section', Settings.dialog
section.innerHTML = null $.rmAll section
section.className = "section-#{@hyphenatedTitle}" section.className = "section-#{@hyphenatedTitle}"
@open section, g @open section, g
section.scrollTop = 0 section.scrollTop = 0
@ -444,7 +444,7 @@ Settings =
return return
# XXX Firefox won't let us download automatically. # XXX Firefox won't let us download automatically.
p = $ '.imp-exp-result', Settings.dialog p = $ '.imp-exp-result', Settings.dialog
p.innerHTML = null $.rmAll p
$.add p, a $.add p, a
import: -> import: ->
@nextElementSibling.click() @nextElementSibling.click()
@ -566,7 +566,7 @@ Settings =
selectFilter: -> selectFilter: ->
div = @nextElementSibling div = @nextElementSibling
if (name = @value) isnt 'guide' if (name = @value) isnt 'guide'
div.innerHTML = null $.rmAll div
ta = $.el 'textarea', ta = $.el 'textarea',
name: name name: name
className: 'field' className: 'field'
@ -2452,10 +2452,10 @@ Get =
# Get rid of the side arrows. # Get rid of the side arrows.
{nodes} = clone {nodes} = clone
nodes.root.innerHTML = null $.rmAll nodes.root
$.add nodes.root, nodes.post $.add nodes.root, nodes.post
root.innerHTML = null $.rmAll root
$.add root, nodes.root $.add root, nodes.root
fetchedPost: (req, boardID, threadID, postID, root, context) -> fetchedPost: (req, boardID, threadID, postID, root, context) ->
# In case of multiple callbacks for the same request, # In case of multiple callbacks for the same request,
@ -4276,7 +4276,7 @@ ThreadWatcher =
$.add div, [x, $.tn(' '), link] $.add div, [x, $.tn(' '), link]
nodes.push div nodes.push div
ThreadWatcher.dialog.innerHTML = '' $.rmAll ThreadWatcher.dialog
$.add ThreadWatcher.dialog, nodes $.add ThreadWatcher.dialog, nodes
watched = watched[g.BOARD] or {} watched = watched[g.BOARD] or {}