回答編集履歴
1
調整
test
CHANGED
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@@ -48,3 +48,54 @@
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48
48
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</div><!-- box -->
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49
49
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</div><!-- wrapper -->
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50
50
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```
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51
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+
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52
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+
# 参考
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53
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一応cssで指定しないkeyframeアニメーションのサンプルです
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54
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```javascript
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55
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<style>
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56
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#box {
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57
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width: 320px;
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58
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height: 180px;
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59
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background-color: #fdd;
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60
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cursor: pointer;
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61
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}
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62
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+
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63
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#box p {
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64
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line-height: 180px;
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65
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font-size: 32px;
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66
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text-align: center;
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67
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}
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68
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</style>
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69
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<script>
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70
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let myAnime=new Animation();
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71
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function slideAnimation(element,distances,duration,fill="none"){
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72
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const myKeyframe= new KeyframeEffect(
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73
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element,
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74
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[
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75
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{transform: "translate(0px,0px)",backgroundColor:"red"},
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76
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{transform: `translate(${distances[0]}px,${distances[1]}px)` ,backgroundColor:"blue"},
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77
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],
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78
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{duration,fill},
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79
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);
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80
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myAnime = new Animation(myKeyframe,document.timeline);
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81
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//myAnime.addEventListener('finish',()=>delete(element.dataset.active));
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82
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};
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83
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function reset(){
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84
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delete(box.dataset.active);
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85
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myAnime.cancel();
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86
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}
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87
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document.addEventListener('click',({target})=>{
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88
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if(target.closest('#box:not([data-active])')){
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89
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slideAnimation(box,[500,400],2000,'forwards');
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90
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box.dataset.active="1";
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91
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myAnime.play();
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92
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}
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93
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});
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94
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</script>
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95
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<div id="wrapper">
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96
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<button onclick="reset()">リセット</button>
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97
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<div id="box">
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98
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<p>box</p>
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99
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</div><!-- box -->
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100
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</div><!-- wrapper -->
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101
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```
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