回答編集履歴
3
タイポミス
test
CHANGED
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@@ -92,11 +92,9 @@
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92
92
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93
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<body>
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94
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95
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-
<div
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95
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+
<div id="D"></div>
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96
96
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<script>
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98
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-
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-
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100
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@@ -154,11 +152,9 @@
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e.remove ();
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154
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157
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-
p = null;
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158
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-
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159
155
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}
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160
156
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161
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-
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157
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+
p = null;
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158
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}
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@@ -172,8 +168,4 @@
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168
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</script>
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170
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-
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176
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-
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177
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-
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178
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-
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179
171
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```
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2
基本的なコードかな？短いので理解しやすいでしょう！
test
CHANGED
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@@ -55,3 +55,125 @@
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55
55
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</script>
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```
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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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61
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+
骨格としてはこんな感じ。実験用として数字をあえて表示しています。
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62
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+
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63
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同じ数字を２つクリックするとそれらが消えていきます。
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64
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65
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+
まずは流れを理解するところから。
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66
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67
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68
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69
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```js
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70
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71
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+
<!DOCTYPE html><html>
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72
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73
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<head><meta charset="UTF-8">
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74
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+
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75
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+
<style>
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76
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+
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77
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#D div {
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78
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79
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display: inline-block;
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80
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81
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border: 1px green solid;
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82
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83
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width: 30px;
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84
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85
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height: 30px;
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86
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+
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87
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text-align: center;
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88
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89
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}
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90
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+
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91
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+
</style>
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92
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+
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93
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+
<body>
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94
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95
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+
<div class="card_zone" id="D"></div>
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96
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97
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<script>
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98
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99
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100
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101
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102
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103
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const
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104
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+
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105
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N = 25,
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106
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+
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107
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NIGO = [...Array(N).keys(), ...Array(N).keys()],
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108
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109
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LEN = NIGO.length,
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110
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+
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111
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R = n=> Math.random () * n|0;
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112
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113
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114
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115
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[...D.children].forEach (e=> e.remove ());
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116
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+
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117
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+
let template = document.createElement ('div');
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118
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+
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119
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template.classList.add ('card');
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120
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+
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121
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122
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123
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for (let n of NIGO) {
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124
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125
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let d = D.appendChild (template.cloneNode (true));
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126
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127
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d.dataset.num = n;
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128
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+
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129
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d.textContent = n;//これは必要ない
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130
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+
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131
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}
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132
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+
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133
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+
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134
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+
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135
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+
for (let i = LEN; i; i--)
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136
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+
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137
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+
D.appendChild (D.children[R(i)]);
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138
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+
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139
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+
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140
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+
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141
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+
let p;
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142
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+
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143
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+
function handler (event) {
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144
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+
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145
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+
let e = event.target;
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146
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+
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147
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+
if (! p) return p = e;
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148
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+
|
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149
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+
if (p == e) return;
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150
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+
|
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151
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+
if (p.dataset.num == e.dataset.num) {
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152
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+
|
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153
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+
p.remove ();
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154
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+
|
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155
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+
e.remove ();
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|
156
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+
|
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157
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+
p = null;
|
|
158
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+
|
|
159
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+
}
|
|
160
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+
|
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161
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+
else p = n = null;
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162
|
+
|
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163
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+
}
|
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164
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+
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165
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+
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166
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+
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167
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+
D.addEventListener('click', handler, false);
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168
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+
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169
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+
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170
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+
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171
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+
|
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172
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+
|
|
173
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+
</script>
|
|
174
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+
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175
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+
|
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176
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+
|
|
177
|
+
|
|
178
|
+
|
|
179
|
+
```
|
1
カッコつけた
test
CHANGED
|
@@ -42,7 +42,7 @@
|
|
|
42
42
|
|
|
43
43
|
if (! A.has (e))
|
|
44
44
|
|
|
45
|
-
(e.textContent = wariate[i], A.add (e));
|
|
45
|
+
((e.textContent = wariate[i]), A.add (e));
|
|
46
46
|
|
|
47
47
|
}
|
|
48
48
|
|