回答編集履歴
2
ちょうせい
answer
CHANGED
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@@ -55,4 +55,29 @@
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55
55
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<div class="membership member_group">membership member_group2</div>
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56
56
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57
57
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result:<input type="text" id="result">
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58
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+
```
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59
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+
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60
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+
# 結果をpに
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61
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+
```javascript
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62
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+
<script>
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63
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+
window.addEventListener('DOMContentLoaded', ()=>{
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64
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+
var test = document.getElementsByClassName('membership member_group');
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65
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+
var txt="";
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66
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+
if(test.length>0){
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67
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+
txt="sns";
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68
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+
}else{
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69
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+
txt="SNS";
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70
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+
}
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71
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+
document.querySelector('p').textContent=txt;
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72
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+
});
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73
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+
</script>
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74
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+
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75
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+
<div class="membership">membership1</div>
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76
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+
<div class="member_group">member_group1</div>
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77
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+
<div class="membership member_group">membership member_group1</div>
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78
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+
<div class="membership">membership2</div>
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79
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+
<div class="member_group">member_group2</div>
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80
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+
<div class="membership member_group">membership member_group2</div>
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81
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+
<hr>
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82
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+
result:<p></p>
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58
83
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```
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1
ちょっと改良
answer
CHANGED
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@@ -30,4 +30,29 @@
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30
30
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<div class="membership">membership2</div>
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31
31
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<div class="member_group">member_group2</div>
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32
32
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<div class="membership member_group">membership member_group2</div>
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33
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+
```
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34
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+
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35
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+
# ちょっとわかりやすく
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36
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+
```javascript
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37
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+
<script>
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38
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+
window.addEventListener('DOMContentLoaded', ()=>{
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39
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+
var test = document.getElementsByClassName('membership member_group');
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40
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+
var txt="";
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41
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+
if(test){
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42
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+
txt="sns";
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43
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+
}else{
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44
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+
txt="SNS";
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45
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+
}
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46
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+
document.querySelector('#result').value=txt;
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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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50
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+
<div class="membership">membership1</div>
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51
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+
<div class="member_group">member_group1</div>
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52
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+
<div class="membership member_group">membership member_group1</div>
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53
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+
<div class="membership">membership2</div>
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54
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+
<div class="member_group">member_group2</div>
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55
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+
<div class="membership member_group">membership member_group2</div>
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56
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+
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57
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+
result:<input type="text" id="result">
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33
58
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```
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