ืฉืจืืืื ืืืฉืึทืืืึทืกืงืจืืคึผื ืงืึธื ืงืขื ืขื ืืืื ืืฉืึทืืึทื ืืืฉืื ื ืืื ืืื ืืึทืื ืจืืื ืื ืืืืืืืืืื ื, ืืื ืคืืืข ืืขืืืขืืึธืคึผืขืจืก ืืขื ืขื ืืึทืงืึทื ื ืืื. ืืื ืืขื ืคึผืจืึธืฆืขืก ืคืื ืึทืจืืขื, ืขืจืจืึธืจืก ืื ืขืืืึทืืึทืืื ืืืืคืฉืืืื, ืืื ืขืืืขืืข ืคืื โโืืื ืืขื ืขื ืจืืคึผืืืื ืึธืคื. ืืขืจ ืึทืจืืืงื, ืึทืืืขื ืฆื ืึธื ืืืืืขืจ ืืขืืืขืืึธืคึผืขืจืก, ืจืขืื ืืืขืื ืื ืขืจืจืึธืจืก ืืื ืืื ืฆื ืกืึธืืืืข ืืื. ืคึฟืึทืจ ืงืืขืจืืื, ืื ื ืขืืขื ืคืื ืคืึทื ืืงืฉืึทื ื, ืคึผืจืึธืคึผืขืจืืืขืก ืืื ืึทืืืืฉืขืงืฅ ืืขื ืขื ืืขื ืืืขื ืคืื . ืึทืืข ืืขื ืืขืืคึผืก ืืืจ ืืขืฉืืืื ื ืืขืืขื ืงืขื ืืื ืฆื ืคืึทืจืจืืืื ืคึผืจืึธืกื ืืืกืืืืงืก.
ืืืจ ืืขืจืืึธื ืขื ืืืจ: ืคึฟืึทืจ ืึทืืข ืืืืขื ืขืจ ืคืื "ืืืจ" - ืึท ืึทืจืึธืคึผืจืขืืขื ืขื ืคืื 10 ืจืืื ืืืขื ืืืจ ืคืึทืจืฉืจืืึทืื ืืื ืงืืื ืกืงืืืืึธืงืก ืงืืจืก ื ืืฆื ืื ืคึผืขืจืืึธืืฉืึทื ืึทื ืงืึธื "ืืืจ".
Skillbox ืจืขืงืึทืืขื ืื: ืคึผืจืึทืงืืืฉ ืงืืจืก .
ืืืคึผืขืจืจืึธืจ: ืคืึทืจืืึธื ืืื ื ืืฉื ืืืคืืื ื
let girl = {
name: "Lucky",
location: "Hollywood",
profession: "star",
thingsMissingInHerLife: true,
lovely: true,
cry: function() {
return "cry, cry, cries in her lonely heart"
}
}
console.log(girl.named.lucky)ืืขืจ ืืืืฉืคึผืื ืงืึธื ืืืืื ืืืืจืคื ืขืจ ืื ืืขืืช Uncaught TypeError: ืงืขื ืขื ื ืื ืืืืขื ืขื ืื ืคืึทืจืืึธื 'ืืึทืืืืืง' ืคืื ืื ืืขืคืื ืขื. ืืขืจ ืคึผืจืึธืืืขื ืืื ืึทื ืื ืืืืื ืืืืคืขืฅ ืืื ื ืืฉื ืึท ื ืึธืืขื ืคืึทืจืืึธื, ืืึธืืฉ ืขืก ืืื ืึท ื ืึธืืขื ืคืึทืจืืึธื. ืืื ืืื ื ืื ืืืืื.ื ืึทืืขื ืคืึทืจืืึธื ืืื ื ืืฉื ืืืคืืื ื, ืืืจ ืงืขื ืขื ื ืืฉื ืฆืืืจืื ืขืก, ืืืืึทื ืคืึธืจืืึทืื ืขืก ืืื ื ืืฉื ืขืงืกืืกืืืจื. ืึธืืขืจ ืืืื ืืืจ ืคืึทืจืืืึทืื girl.named.lucky ืืื girl.name, ืึทืืฅ ืืืขื ืึทืจืืขืื ืืื ืื ืคึผืจืึธืืจืึทื ืืืขื ืฆืืจืืงืงืืืขื Lucky.
ืืืจ ืงืขื ื ืืขืจื ืขื ืืขืจ ืืืขืื ืื ืคึผืจืึธืคึผืขืจืืืขืก .
ืืื ืฆื ืกืึธืืืืข ืืืคึผืขืจืจืึธืจืก
ืืืคึผืขืจืจืึธืจืก ืคืึทืื ืืืขื ืึท ืคึผืจืึธืืจืึทืืืกื ืคืจืืืื ืฆื ืืืจืืคืืจื ืึทืงืฉืึทื ื ืืืืฃ ืืึทืื ืืืึธืก ืืึธื ื ืื ืืืืึทืื ืึท ืกืคึผืขืฆืืคืืฉ ืืืคึผ. ืืืืฉืคืืื ืึทืจืืึทื ื ืขืืขื ื ืืฆื .bold(), ืึทืกืงืื ื ืคึฟืึทืจ ืึท ืึทื ืืืคืืื ื ืคืึทืจืืึธื, ืึธืืขืจ ืจืืคื ืึท ืคึฟืื ืงืฆืืข ืืืึธืก ืืื ื ืืฉื ืคืืงืืืฉ ืึท ืคึฟืื ืงืฆืืข.
ืึทืืื, ืืืื ืืืจ ืคึผืจืืืืจื ืฆื ืจืืคื ืืืืื(), ืืืจ ืืืขื ืืึทืงืืืขื ืื ืืขืืช Uncaught TypeError: yourVariable.bold ืืื ื ืืฉื ืึท ืคึฟืื ืงืฆืืข ืืื ืืืืื ืืื ื ืืฉื ืึท ืคึฟืื ืงืฆืืข, ืืืืึทื ืขืก ืืื ืคืืงืืืฉ ืึท ืืืืคืขืฅ ืืืึธืก ืืื ืืขืจืืคื, ื ืืฉื ืึท ืคึฟืื ืงืฆืืข.
ืืื ืกืืจ ืฆื ืขืืืืื ืืจื ืขืจืจืึธืจืก, ืืืจ ืืึทืจืคึฟื ืฆื ืืขืจื ืขื ืื ืืืขืจืืึทืืึทืื. ืึทืืื, ืืืึธืก ืืื ืึท ืืืืื? ืืืึธืก ืืื ืืืืื ืืขืืืืกื? ืืืจ ืงืขื ืขื ืืขืคึฟืื ืขื ืืืืก ืืืจื ืึทื ืึทืืืืืื ื ืื ืงืึธื, ืืืืึทื ืืืขืจืืึทืืึทืื ื ืืฆื console.log, ืื ืืขืืืืืขืจ ืืึทืคึฟืขื, ืึธืืขืจ ืจืืคื ืื ืืืึทืืขืืืืืง ื ืึธืืขื ืืื ืื ืงืึทื ืกืึธืื. ืืืจ ืืึทืจืคึฟื ืฆื ืืึทืื ืืืืขืจ ืึทื ืขืก ืืื ืืขืืืขื ืฆื ืึทืจืืขืื ืืืืฃ ืื ืืึทืื ืืืคึผ ืงืึทื ืืืื ื ืืื ืื ืืืึทืืขืืืืืง. ืืืื ืขืก ืืื ื ืืฉื ืคึผืึทืกืืง, ืืืืฉื ืขืก, ืืืฉื, ืืืืื ืึท ืฆืืฉืืึทื ื ืึธืืขืจ ืคึผืจืืืืจื..ืืึทืคึผื ืืืึธืง - ืืื ืืึทืงืืืขื ืงืึธื ืืจืึธื ืืืืขืจ ืื ืืืจืืคืืจืื ื ืคืื ืื ืึธืคึผืขืจืึทืฆืืข.
ืึธื ืืืืื ืืืืคื
ืืืื ืืืจ ืืืืืื ืื ืืืืจืื ืคืื ืื ืืืจืืงืก ืฆื ืื ืืื Baby One More Time (ืืึธืก ืืื ืืจืืื ืื ืกืคึผืขืึทืจืก, ืืึธ), ืืขืืึธืื ืื ืืืึธืจื ืฉืืึธืื ืืื ืืขื ืงืึธื ืืขืงืกื ืืืื ืื ืืื ืืขืจ 'ืก ืคืึทืจืืึทื ื ืฆื ืืืื ืืขืจืืคึฟื ืืืืืขืจ (ืืึธ ืืื ืึท ืืขืจืงืืขืจืื ื ืคืื ืื ืืืืขืจ ืงืึธื ืืขืงืกื ืคืื ืื ืืื - ืืืืขืจืืขืฆืขืจ'ืก ื ืึธืืืฅ). ืขืก ืงืขื ืืืื ืึทื ืืขืจ ืคืึทืจืืึทื ื ืืืขื ืคืืจื ืฆื ืึท ืคืึทืจืืจืขืกืขืจื ืืื ืื ื ืืืขืจ ืคืื ืจืืคื ืืื ืคืึทืงืืืฉ ืืขืื. ืึธืืขืจ ืืื ืคึผืจืึธืืจืึทืืืื ื, ืืึธืก ืืื ืึท ืจืขืงืืจืกืืึธื ืืืึธืก ืงืขื ืคืึทืจืฉืึทืคื ืึท ืืขืืช ืืืื ืื ืจืืคื ืกืืึทืง ืึธืืืืขืจืคืืึธืื.
ืื ืขืจืจืึธืจืก ืงืืงื ืืื ืืึธืก:
ืืขืืช: ืืืืก ืคืื ืกืืึทืง ืคึผืืึทืฅ (ืืจืขื)
ืื ืขืจืืขื ืืขืืช: ืฆื ืคืื ืจืขืงืืจืกืืึธื (Firefox)
RangeError: ืื ืืึทืงืกืืืื ื ืืืขืจ ืคืื ืจืืคื ืกืืึทืง ืืื ืืงืกืืืื (ืงืจืึธืื)
ื ืึธื ืืืืื ืึธืืืืขืจืคืืึธื ืึทืงืขืจื ืืืื ืื ืืขืืืขืืึธืคึผืขืจ ืืื ื ืืฉื ืืึทืืจืึทืืื ืื ืืึทืืข ืคืึทื ืืื ืื ืจืขืงืืจืกืืึธื, ืึธืืขืจ ืืืื ืื ืงืึธื ืืื ื ืืฉื ืึทืืจืขืก ืื ืืืขื ืคืึทื.
function oneMoreTime(stillBelieve=true, loneliness=0) {
if (!stillBelieve && loneliness < 0) return
loneliness++
return oneMoreTime(stillBelieve, loneliness)
}ืืื ืืขื ืคืึทื, StillBelieve ืงืขื ืงืืื ืืึธื ืืืื ืคืึทืืฉ, ืึทืืื ืืืื ืขืจืืึธืจืขืืืืข ืืืขื ืืืื ืืขืจืืคึฟื ืืขืืขืจ ืืึธื, ืึธืืขืจ ืื ืคึฟืื ืงืฆืืข ืืืขื ืงืืื ืืึธื ืคืึทืจืขื ืืืงื.
ืืืื ืืืจ ืึธื ืืืืื ืฆื ืคืึทืจืืึธืื ืืื ืฆืืืื ืคืจืขื ืื, ืืึธืก ืืืขื ืจืขืืืฆืืจื ืืึธืื ืืื ืึทืก, ืืื ืืืจ ืืืขื ื ืืฉื ืืึธืื ืฆื ืืืึทืจืื ืคึฟืึทืจ ืึท ืจืืคื.
function oneMoreTime(stillBelieve=true, loneliness=0) {
if (!stillBelieve && loneliness < 0) return
loneliness--
stillBelieve = false
return oneMoreTime(stillBelieve, loneliness)
}ื ืืืืฉืคึผืื ืืื ืงืึทืกืขืก ืืื ืื ืคืึทื ืึทื ืืืคึผืก, ืืืขื ืื ืกืืกืืขื ืืื ื ืืฉื ืืืฉืขื ืขืจืืื ืึท ืืขืืช ืึธื ืืึธื, ืึธืืขืจ ืืขืจ ืืืึทื ืืืืฃ ืืืึธืก ืื ืืืฉืึทืืืึทืกืงืจืืคึผื ืงืึธื ืืื ืขืงืกืึทืงืืืืึทื ืคืฉืื ืคืจืืืื. ืืึธืก ืืึทืคึผืึทื ื ืืืื ืื ืืฉืขืช ืฉืืืืฃ ืืื ื ืืฉื ืึท ืืขืจืืึทื ืืืฉืึทื ืฆืืฉืืึทื ื.
let worldEnded = false
while (worldEnded !== true) {
console.log("Keep on dancin' till the world ends")
}ืืืจ ืงืขื ืขื ืกืึธืืืืข ืื ืคึผืจืึธืืืขื ืืื ืืืื:
let worldEnded = false
while (worldEnded !== true) {
console.log("Keep on dancin' till the world ends")
worldEnded = true
}ืืืืึทืืื ื ืื ืคืึทื ืึทื ืืืคึผืก ืืื ืจืขืงืืจืกืืึธื ืก
ืืืื ืืืจ ืืึธืื ืึท ืื ืคืึทื ืึทื ืฉืืืืฃ ืคึผืจืึธืืืขื, ืืืจ ืืึทืจืคึฟื ืฆื ืคืึทืจืืึทืื ืืขื ืงืืืืื ืืื ืงืจืึธืื ืึธืืขืจ ืขืืืฉ ืืื ืคืึทืจืืึทืื ืืขื ืืืขืืขืจืขืจ ืคึฟืขื ืฆืืขืจ ืืื ืคืืจืขืคืึธืงืก. ื ืึธื ืืขื, ืืืจ ืืึทืจืคึฟื ืฆื ืงืขืจืคืึทืื ืคืื ืึทื ืืขืจืงืืืึทืื ืื ืงืึธื. ืืืื ืืืจ ืงืขื ืขื ื ืืฉื ืืขืคึฟืื ืขื ืืขื ืคึผืจืึธืืืขื, ืขืก ืืื ืืืขืจื ืฆื ืืืืื ืึท ืืขืืืืืขืจ ืืึทืคึฟืขื ืฆื ืืืื ืฉืืืืฃ ืึธืืขืจ ืคืื ืงืฆืืข ืืื ืงืึธื ืืจืึธืืืจื ืื ืืืึทืืืขืก ืคืื ืื ืืืขืจืืึทืืึทืื. ืืืื ืืขืจ ืจืขืืืืืึทื ืืื ื ืืฉื ืฉืืืืขื ืฆื ืืืึธืก ืืื ืืขืืืขื ืืขืจืืืึทืจื, ืืืจ ืคืึทืจืืืึทืื ืขืก, ืืึธืก ืงืขื ืขื ืืืื ืืขืืื ืืืืื.
ืืื ืืขื ืืืึทืฉืคึผืื ืืืืื, ืืืืืืืขืจ ืืึธื ืืืื ืืืกืืฃ ืืื ืืขืจ ืขืจืฉืืขืจ ืฉืืจื ืคืื ืื ืคืื ืงืฆืืข ืึธืืขืจ ืฉืืืืฃ. ืืขืจื ืึธื ืืืจ ืืึทืจืคึฟื ืฆื ืขืคึฟืขื ืขื ืื ืืืืึทื ืงืืืืื ืืื ืงืจืึธืื, ืึทื ืึทืืืืืื ื ืื ืืืขืจืืึทืืึทืื ืืื ืคืึทืจื ืขื. ื ืืฆื ืื ืืืืึทืืขืจ ืงื ืขืคึผื ืืืจ ืงืขื ืขื ืฉืคึผืืจ ืืืืขืจ ืขื ืืขืจืื ืืขื ืืื ืืขืืขืจ ืืืขืจืึทืืืึธื. ืึทืืข ืืขื ืืื ืืจืื ื ืฆื ืืึธื, ืืื ืืื ืจืืึฟ ืงืึทืกืขืก ืื ืคึผืจืึธืืืขื ืืื ืืขืคึฟืื ืขื.
ืืืจ ืงืขื ืขื ืืืืขื ืขื ืืขืจ ืืืขืื ืึทืืข ืืขื ืืึธ () ืืื ืืึธ ().
ืกืื ืืึทืงืก ืืขืืช
ืืืื ืขืจ ืคืื ืื ืืขืจืกื ืคึผืจืึธืกื ืขืจืจืึธืจืก ืืื ืืืฉืึทืืืึทืกืงืจืืคึผื ืืื SyntaxError. ืืขืงืกื ืจืขืืึทืงืืึธืจ ืืงืกืืขื ืฉืึทื ื ืืืขื ืืขืืคึฟื ืืืจ ืืืกืืืืื ืืื. ืคึฟืึทืจ ืืืึทืฉืคึผืื, Bracket Pair Colorizer ืืึทืจืงืก ืืจืึทืงืึทืฅ ืืื ืื ืงืึธื ืืื ืคืึทืจืฉืืืขื ืข ืคืืจืื, ืืื Prettier ืึธืืขืจ ืึท ืขื ืืขื ืึทื ืึทืืืกืืก ืืขืฆืืึทื ืืืื ืขืก ืืขืืืขื ืฆื ืืขืฉืืืื ื ืืขืคึฟืื ืขื ืขืจืจืึธืจืก. ืืขืจ ืืขืกืืขืจ ืึธืคึผืฆืืข ืฆื ืจืขืืืฆืืจื ืื ืืืงืขืืืืึธืึธื ืคืื ืึท ืกืื ืืึทืงืกืขืจืจืึธืจ ืืื ืืื ืืืึทื ื ืขืกืืื ื.
ืืึทื ืืืืื ืืื ืื ืืึทืืขืจืงืื ืืขื: ืืืึธืก ืืึธื ืืืจ ืืึธื ืฆื ืคืึทืจืืืึทืื ืืืกืืืืงืก ืึธืืขืจ ืืขืฉืืืื ื ืืขืืขืงื ืืื ืขืืืืื ืืจื ืืื?
Skillbox ืจืขืงืึทืืขื ืื:
- ืฆืืืื-ืืึธืจ ืคึผืจืึทืงืืืฉ ืงืืจืก .
- ืึธื ืืืื ืงืืจืก .
- ืคึผืจืึทืงืืืฉ ืืึธืจ ืงืืจืก .
ืืงืืจ: www.habr.com