回答編集履歴
1
調整
test
CHANGED
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@@ -9,3 +9,41 @@
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9
9
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<img class="changeImg" alt="2">
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10
10
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<img class="changeImg" alt="3">
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11
11
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```
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12
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+
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13
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+
# 参考
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14
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うけとったファイルをimgタグに表示する
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15
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```html
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16
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<form class="user-area">
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17
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<label>
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18
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<div class="user-icon">
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19
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<img
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20
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src=""
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21
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class="changeImg"
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22
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style="height: 90px; width: 90px"
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23
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/>
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24
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</div>
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25
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<input
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26
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type="file"
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27
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name="attach[]"
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28
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class="attach"
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29
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data-maxsize="5"
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30
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accept=".png, .jpg, .jpeg"
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31
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hidden="true";
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32
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/>
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33
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</label>
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34
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<button type="reset">clear</button>
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35
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</form>
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36
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37
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<script>
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38
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document.addEventListener('change',ev=>{
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39
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if(ev.target.matches('.attach')){
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40
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const file = ev.target.files[0];
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41
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const fr = new FileReader();
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42
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fr.onload=e=>{
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43
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document.querySelector( '.changeImg' ).src=e.target.result;
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44
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}
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45
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fr.readAsDataURL(file);
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46
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}
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47
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});
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48
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</script>
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49
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```
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