String.prototype.padStart(), String.prototype.padEnd()
The `padStart()` and `padEnd()` methods pad the current string with a given string (eventually repeated) so that the resulting string reaches a given length. The pad is applied from the start (left) of the current string for `padStart()`, and applied from the end (right) of the current string for `padEnd()`.
abstractrange api: startcontainer
abstractrange api: startoffset
animation api: starttime
audiobuffersourcenode api: start
chapterinformation api: starttime
cssscoperule api: start
document api: startviewtransition
document api: startviewtransition: `options` parameter
document api: startviewtransition: `options` parameter: `options.types` parameter
document api: startviewtransition: `options` parameter: `options.update` parameter
document api: startviewtransition: `updatecallback` parameter
element api: startviewtransition
htmlmarqueeelement api: start
htmlolistelement api: start
idledetector api: start
mediarecorder api: start
messageport api: start
offlineaudiocontext api: startrendering
offlineaudiocontext api: startrendering: returns a `promise`
performanceentry api: starttime
presentationrequest api: start
range api: startcontainer
range api: startoffset
sensor api: start
serviceworkercontainer api: startmessages
speechrecognition api: start
speechrecognition api: start: `audiotrack` parameter
staticrange api: startcontainer
staticrange api: startoffset
svgtextpathelement api: startoffset
texttrackcue api: starttime
timeranges api: start
viewtimeline api: startoffset
visibilitystateentry api: starttime
css property: align-items: start
css property: align-self: start
css property: justify-self: start
css property: place-items: start
css property: place-self: start
css property: ruby-align: start
css property: text-align: start
css property: text-anchor: start
html element: ol: start
javascript built-in: string: startswith
javascript built-in: temporal api: zoneddatetime: startofday
webapp: start_url
svg element: textpath: startoffset
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