回答編集履歴
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更新
test
CHANGED
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@@ -18,9 +18,21 @@
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https://jsfiddle.net/2zo2s8g0/
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21
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[https://jsfiddle.net/2zo2s8g0/1/](https://jsfiddle.net/2zo2s8g0/1/)
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```HTML
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<button id="lotteryButton">
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抽選
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</button>
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<h3>
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ひとまず全部抽選
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</h3>
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<div id="pickups">
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@@ -28,7 +40,11 @@
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</div>
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<h
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<h3>
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優先度によって2個まで削減したもの
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</h3>
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<div id="output">
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@@ -62,40 +78,46 @@
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];
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function lottery() {
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document.getElementById("pickups").innerHTML = "";
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document.getElementById("p
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document.getElementById("output").innerHTML = "";
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var pickup = [];
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var
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for(var index in table) {
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var data = table[index];
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if(data.percentage > Math.random() * 100) {
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-
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// あたり
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pickup.push(data.value);
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document.getElementById("pickups").innerHTML += data.value + "<br>";
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}
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}
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if(pickup.length > 2) {
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pickup = [pickup[0], pickup[Math.floor(Math.random() * (pickup.length - 1)) + 1]];
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}
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for(var index in pickup) {
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document.getElementById("output").innerHTML += pickup[index] + "<br>";
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}
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}
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if(pickup.length > 2) {
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pickup = [pickup[0], pickup[Math.floor(Math.random() * (pickup.length - 1)) + 1]];
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}
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for(var index in pickup) {
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document.getElementById("o
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document.getElementById("lotteryButton").addEventListener("click", lottery);
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}
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```
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