回答編集履歴
4
追記
answer
CHANGED
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@@ -94,7 +94,7 @@
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94
94
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95
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const onMouseMove = (e) =>{
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97
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-
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97
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if(e.pageY < 0 || e.pageY > window.innerHeight || e.pageX < 0 || e.pageX > window.innerWidth){
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98
98
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document.removeEventListener("mousemove", onMouseMove);
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};
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100
100
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const modalWidth = modal.clientWidth;
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3
追記
answer
CHANGED
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@@ -94,6 +94,9 @@
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94
94
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95
95
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96
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const onMouseMove = (e) =>{
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97
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if(e.pageY < 0|| e.pageX < 0 || e.pageX > window.innerWidth){
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98
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document.removeEventListener("mousemove", onMouseMove);
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99
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};
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97
100
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const modalWidth = modal.clientWidth;
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const modalHeight = modal.clientHeight;
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99
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const shiftX = -(mX - e.pageX);
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2
追記
answer
CHANGED
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File without changes
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1
追記
answer
CHANGED
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@@ -2,4 +2,125 @@
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2
2
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モーダルウィンドウを普通に実装して、ドラッグ＆ドロップで動かせるようにしたら完成です。
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3
3
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4
4
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Javascript ドラッグ＆ドラッグで検索したら実装方法が出てきます。
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5
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-
専用のライブラリもあるのでそれを使っても良いと思います。
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5
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専用のライブラリもあるのでそれを使っても良いと思います。
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6
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7
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追記:実装例
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8
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```
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9
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<!DOCTYPE html>
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10
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<html lang="ja">
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11
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12
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<head>
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13
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<meta charset="UTF-8">
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14
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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15
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<title>Document</title>
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16
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<style>
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17
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18
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body {
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19
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width: 100%;
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20
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height: 100vh;
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21
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margin: 0;
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22
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}
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23
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24
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.modal {
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display:none;
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26
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width:500px;
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height:400px;
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border:solid 1px black;
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29
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position: absolute;
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30
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z-index: 1;
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31
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background-color:white;
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32
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top: calc(50% - 200px);
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33
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left: calc(50% - 250px);
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34
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}
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35
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36
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.modalWrap {
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width:100%;
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38
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position: relative;
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39
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overflow: hidden;
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40
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top:0;
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41
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left:0;
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42
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}
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43
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.open {
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45
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z-index: 0;
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46
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}
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47
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48
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.close {
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49
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float: right;
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50
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}
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51
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52
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</style>
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53
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</head>
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54
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55
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<body>
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56
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<div class="modalWrap">
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57
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<button class="open">open</button>
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58
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<div class="modal">
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59
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<button class="close">close</button>
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60
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</div>
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61
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</div>
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62
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<script>
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63
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const open = document.getElementsByClassName("open")[0];
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64
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const close = document.getElementsByClassName("close")[0];
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65
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const modal = document.getElementsByClassName("modal")[0];
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66
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const modalWrap = document.getElementsByClassName("modalWrap")[0];
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67
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68
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modalWrap.style.height = window.innerHeight + "px";
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69
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70
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open.addEventListener("click", () => {
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71
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modal.style.display = "block";
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72
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});
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73
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74
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close.addEventListener("click", () => {
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75
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modal.style.display = "";
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76
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});
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77
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78
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let mX;
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79
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let mY;
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80
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let dX;
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81
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let dY;
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82
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83
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modal.onmousedown = (e) => {
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84
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// クリック時のマウスカーソルX座標
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85
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mX = e.pageX;
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86
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// クリック時のマウスカーソルY座標
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87
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mY = e.pageY;
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88
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// クリック時の要素のX位置
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89
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dX = window.pageXOffset + modal.getBoundingClientRect().left
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90
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// クリック時の要素のY座標
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91
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dY = window.pageYOffset + modal.getBoundingClientRect().top
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92
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document.addEventListener("mousemove", onMouseMove);
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93
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}
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94
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95
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+
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96
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const onMouseMove = (e) =>{
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97
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const modalWidth = modal.clientWidth;
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98
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const modalHeight = modal.clientHeight;
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99
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const shiftX = -(mX - e.pageX);
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100
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const shiftY = -(mY - e.pageY);
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101
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if(dX + shiftX < 0){
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102
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modal.style.left = "0px";
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103
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} else if (dX + shiftX + modalWidth > window.innerWidth) {
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104
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modal.style.left = window.innerWidth - modalWidth + "px";
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105
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} else {
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106
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modal.style.left = dX + shiftX + "px";
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107
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}
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108
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if(dY + shiftY < 0){
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109
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modal.style.top = "0px";
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110
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} else if(dY + shiftY + modalHeight > window.innerHeight){
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111
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modal.style.top = window.innerHeight - modalHeight + "px";
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112
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} else {
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113
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modal.style.top = dY + shiftY + "px";
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114
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}
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115
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}
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116
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117
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modal.onmouseup = () => {
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118
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document.removeEventListener("mousemove", onMouseMove);
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119
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}
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120
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121
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</script>
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122
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</body>
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123
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124
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</html>
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125
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126
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```
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