jQuery growfield 介绍
Style-independent cross-browser jQuery textarea autogrow plugin
Successfully tested in: FF2 (vista, xp, mac, linux), IE6 (xp), IE7 (vista,
xp), Opera 9.2 (xp, mac), Opera 9.5 (vista), Safari 3 (mac, xp).
Comments and fixes are very appreciated.
optional parameters // $(elem).growfield( options )
- auto - bool // default = true // if false, ctrl + up/down are enabled
- animate - bool // default = true
- before(jEvent), after(jEvent) - callbacks // ‘this’ will be the dom object
- min - integer - height in pixels // default = min ? css.min-height || initial height
- max - integer - height in pixels // maximum size // default = css.max-height || none
- restore - bool - restore original size on blur (and back to growed on focus) // default = false
- speed - integer - animation speed. not a jquery parameter // default = 300 (ms)
additional functions (public interface)
- $(..).increase( step )
- decrease( step )
- growTo( height )
- growToggleAuto( bool )
- growToggleRestore( bool )
- growSetMin( integer )
- growSetMax( integer )
notes
parameters may be set in html attributes // tag attributes have priority
increase and decrease functions are working only in auto mode
opera:
in opera, if you don’t have border style for textarea, plugin will set it
(opera hides borders in overflow:hidden mode). in auto mode it won’t work at
all. More than that, opera returns border:2px solid #00000 even if you don’t
set it. :(
kNown problems:
after restore (onfocus) with animation textarea sometimes looses cursor. :( //
ff2, ie7xp
when reached maximum height, opera will jitter on every keydown :( // opera <
9.5
ctrl + up/down:
in opera and ie this shortcut doesn’t work properly. But you may use ctrl +
whatever + up/down.
Download here:
http://code.google.com/p/jquery-growfield/downloads/list
jQuery growfield 官网
http://plugins.jquery.com/project/Growfield
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