jslintkeepscomplainingaboutthingslikethis
var myarray=[ 1，2，3 ]；
虚拟现实(for ) )。
{
//BLAH
}
sayingthatishouldwrapitinanifstatement.irealizeyouneedtowrapitifyouareloopingoveranobject ' sproperties，butherewhatshouldiouldies
additionallywhenidosomethinglike
for(varI=0； i 10； I )
{
//foo
}
for(varI=0； i 20； I )
{
//bar
}
itcomplainsthatihasalreadybeendefined.howdoipreventthisotherthanusingdifferentvariablenames？
jlintwhingesaboutalotthat ' snotreallyharmful.inthiscaseit ' srighttocomplainaboutfor.in，becausethat'sthewrongconstrong
thisisbecauseyouwillgetnotonlythenumerickeys，utalsoanyotherarbitrarypropertiesthavebeenaddedtothearrayoritsarray.protottay
whilstyoucandefeatthatcasewithhasownpropertytocheckit ' snotaprototypemember，it ' suglierthanjustdoingittheproperwaywithfor
Also，with for . inyouwon ' tnecessarilygettheitemsinnumericalorderasyoumightexpect。
itcomplainsthatihasalreadybeendefined.howdoipreventthisotherthanusingdifferentvariablenames？
yah，you can ignore that one。
itwantsyoutoremovethevarfromthesecondfor (I…， becausedeclaringavariabletwiceinthesamescopedoesn ' tdo anything.howeveriwouldrecommendleavingthevartherebecauseitdoesn ' tdo andifyoumovethelooptoanotherblockyoudon ' twantittobesuddenlyscribblingonglobals。