回答編集履歴
1
修正
test
CHANGED
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@@ -31,3 +31,47 @@
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31
31
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<span id="sp"></span>
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32
32
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33
33
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```
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34
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+
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35
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+
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36
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+
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37
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+
# 文字列指定
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38
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+
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39
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```javascript
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40
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41
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<script>
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42
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43
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window.addEventListener('DOMContentLoaded', function(e){
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44
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45
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document.querySelector('#btn').addEventListener('click',function(e){
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46
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47
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var arr =[
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48
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49
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['1.jpg', '2.jpg', '3.jpg'],
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50
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51
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['1文字列', '2文字列', '3文字列'],
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52
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53
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];
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54
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55
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var a = Math.floor(Math.random() * arr[0].length);
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56
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57
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document.querySelector("#im").setAttribute("src",arr[0][a]);
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58
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59
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document.querySelector("#im").addEventListener('click',function(e){
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60
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61
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document.querySelector("#sp").textContent=arr[1][a];
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62
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63
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});
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64
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65
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});
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66
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67
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});
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68
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69
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</script>
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70
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71
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<input type="button" value="Push" id="btn">
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72
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73
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<img id="im" alt="image is here">
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74
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75
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<span id="sp"></span>
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76
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77
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```
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