回答編集履歴
1
追記
answer
CHANGED
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@@ -32,4 +32,51 @@
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32
32
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background: #AAA;
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33
33
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}
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34
34
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</style>
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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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# 追記
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38
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動的なオブジェクトに対応
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39
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```javascript
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40
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<script>
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41
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document.addEventListener("click", function(e){
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42
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var t=e.target;
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43
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if(t.p('.box') && t.p('.box').p('#wrapper')){
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44
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alert('box clicked');
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45
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}
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46
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});
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47
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48
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HTMLElement.prototype.p=function(selector){
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49
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var node=this;
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50
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do{
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51
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if ((node.matches || node.msMatchesSelector).call(node, selector)) {
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52
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return node;
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53
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}
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54
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} while ((node = node.parentNode).nodeName!="#document");
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55
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return null;
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56
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}
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57
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</script>
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58
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<div class="box">
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59
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<span>box out of wrapper</span>
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60
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</div>
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61
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<div id="wrapper">
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62
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<div class="box">
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63
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<span>box</span>
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64
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</div>
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65
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<div>
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66
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<span>not box</span>
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67
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</div>
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68
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<div class="box">
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69
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<span>box</span>
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70
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</div>
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71
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</div>
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72
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73
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<style type="text/css">
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74
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.box {
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75
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background: #DDD;
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76
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}
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77
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78
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.box span {
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79
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background: #AAA;
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80
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}
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81
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</style>
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35
82
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```
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