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@@ -19,6 +19,7 @@ async function renderCurrency() {
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let firstSelect = document.querySelector("#firstSelect");
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for (let i = 0; i < curArray.length; i++) {
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let option = document.createElement("option");
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+ option.setAttribute("selected", curArray[0]);
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option.setAttribute("value", curArray[i]);
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option.innerHTML = currencies[curArray[i]]["name"];
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firstSelect.appendChild(option);
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@@ -38,10 +39,22 @@ async function convert() {
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let currency2 = document.querySelector("#secondCurrency");
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let value1 = document.querySelector("#firstInput");
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let value2 = document.querySelector("#secondInput");
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+ if (!currency1.value) {
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+ currency1.value = "btc";
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+ }
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+ if (!currency2.value) {
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+ currency2.value = "usd";
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+ }
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+ if (value1.value === "" || +value1.value < 0) {
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+ alert(
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+ "Не введено число / Введено отрицательное число\nПоставлено число по умолчанию - 1"
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+ );
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+ value1.value = 1;
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+ }
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if (currency1.value === currency2.value) {
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value2.value = value1.value;
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}
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- if (currency2.value === "btc"s) {
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+ if (currency2.value === "btc") {
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value2.value = objCur[currency1.value]["value"];
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}
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if (currency1.value !== currency2.value) {
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