回答編集履歴
1
調整
answer
CHANGED
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@@ -26,4 +26,39 @@
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26
26
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<ul id="list">
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27
27
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</ul>
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28
28
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</div>
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29
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-
```
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29
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+
```
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30
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+
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31
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+
# 参考
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32
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API側で抽出する方法
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33
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(jsでfilter処理がいらない)
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34
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```javascript
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35
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<script>
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36
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document.addEventListener('submit',async e=>{
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37
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e.preventDefault();
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38
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const s=e.target.querySelector('[name=select]').value;
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39
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const usp=new URLSearchParams();
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40
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if(s==="0") usp.append('completed','false');
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41
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if(s==="1") usp.append('completed','true');
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42
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const data=await fetch('https://jsonplaceholder.typicode.com/todos?'+usp).then(res=>res.json());
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43
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const list=document.querySelector('#list');
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44
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list.innerHTML="";
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45
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data.forEach(x=>{
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46
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const li=Object.assign(document.createElement('li'),{textContent:x.title});
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47
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list.appendChild(li);
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48
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});
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49
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});
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50
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</script>
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51
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+
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52
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<div id="wrapper">
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53
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<form>
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54
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Completed: <select name="select">
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55
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<option value="">全件</option>
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56
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<option value="0">未完了</option>
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57
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<option value="1">完了</option>
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58
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</select>
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59
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<button type="submit" id="submit">Email表示</button>
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60
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</form>
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61
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<ol id="list">
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62
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</ol>
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63
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</div>
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64
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````
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