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circled9
September 13, 2019
Programming
2
500
JSON.stringify()
JSON日の金曜日 #12の発表資料
circled9
September 13, 2019
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Transcript
JSON.stringify() @circled9 2019-09-13 Friday 13 JSON #12
None
Matsui Masashi দҪਖ਼ࢤ DJSDMFE ϒϥβ͕͖ͳਓ !XBUFSDFMMJOD !3
JSON.stringify()
JSON.stringify() is … • JavaScriptͷؔ • ΦϒδΣΫτΛJSONʹม͢Δ • JSONΦϒδΣΫτͷ࣋ͭؔͷதͰ3ຊͷࢦ ʹೖΔਓؾͷؔ
arguments
JSON.stringify(value[, replacer[, space]])
arguments • value • any • replacer: optional • Array<String
| Number> | function • space: optional • String | Number
value
value • JSONจࣈྻʹม͢Δɻ
replacer
replacer • ग़ྗ͢ΔJSONจࣈྻͷ੍ޚΛߦ͏ • Array<String | Number> • JSONจࣈྻʹؚΊΔϗϫΠτϦετ •
Function: function(key, value) • JSONจࣈྻʹม͢Δ࣌ͷؔ
space
space • ग़ྗ͢ΔJSONจࣈྻͷۭനΛ੍ޚ͢Δ • Number • ۭനจࣈͷ • String •
ۭനͱͯ͠༻͢Δจࣈྻ
·ͱΊ
·ͱΊ • JSON.stringify() JSONΦϒδΣΫτͷؔ ͷதͰ3ຊͷࢦʹೖΔਓؾͷؔ • ୈ2Ҿ͕࣮ߴػೳ • Ͱɺ݁ہ JSON.stringify(obj,
null, 2) Ҏ֎ ͏͜ͱ΄ͱΜͲͳ͍