VALU 데이터를 일본 엔으로 보기

fetch("https://blockchain.info/ja/ticker").then(response => response.json()).then(ticker => {
  var exchange = (target) => target.text(Math.round(ticker.JPY.last * target.text().replace(",", "")).toString().replace(/(\d)(?=(\d{3})+$)/g , '$1,'))
  $(".user_numerical li span").filter((i, e) => $(e).text() == "BTC").each((i, e) => { $(e).text("JPY"); exchange($(e).prev()) })
  $("#hint_chart a").each((i, e) => exchange($(e)))
  $("#candle_chart g text").each((i, e) => { if ($(e).attr("y") == -10) { $(e).text("JPY") } else if ($(e).attr("y") == 0.5) { exchange($(e)) } })
})