回答編集履歴
1
調整
test
CHANGED
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@@ -83,3 +83,83 @@
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83
83
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<button id="reset">リセット</button>
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84
84
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</div>
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85
85
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```
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86
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+
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87
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+
# jQuery版
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88
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+
上記書き直すとこう
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89
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+
```html
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90
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<style>
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91
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table{
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92
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text-align: center;
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93
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margin-bottom:30px;
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94
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}
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95
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.done:not(.active){
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96
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background-Color:lightgray;
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97
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}
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98
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+
.active{
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99
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background-Color:#DF543A;
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100
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}
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101
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</style>
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102
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+
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
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103
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<script>
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104
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$(function(){
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105
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let timerId;
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106
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const setButtons=(start,stop,reset)=>{
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107
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$('#start').prop('disabled',start);
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108
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$('#stop').prop('disabled',stop);
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109
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$('#reset').prop('disabled',reset);
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110
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};
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111
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setButtons(false,true,true);
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112
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$('#start').on('click',()=>{
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113
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$('.active').removeClass('active');
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114
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const select=$('td:not(.done)');
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115
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setButtons(true,false,true);
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116
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timerId=setInterval(()=>{
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117
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const n=Math.floor(Math.random()*select.length);
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118
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$('.active').removeClass('active');
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119
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select.eq(n).addClass('active');
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120
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},100);
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121
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});
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122
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$('#stop').on('click',()=>{
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123
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$('.active').addClass('done');
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124
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const select=$('td:not(.done)');
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125
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setButtons(select.length===0,true,false);
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126
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clearInterval(timerId);
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127
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});
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128
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$('#reset').on('click',()=>{
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129
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setButtons(false,true,true);
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130
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$('.active,.done').removeClass('active done');
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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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</script>
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134
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<table border>
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135
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<tr>
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136
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<td>1</td>
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137
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<td>2</td>
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138
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<td>3</td>
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139
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<td>4</td>
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140
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</tr>
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141
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<tr>
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142
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<td>5</td>
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143
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<td>6</td>
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144
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+
<td>7</td>
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145
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+
<td>8</td>
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146
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</tr>
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147
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<tr>
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148
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+
<td>9</td>
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149
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+
<td>10</td>
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150
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+
<td>11</td>
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151
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+
<td>12</td>
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152
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</tr>
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153
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+
<tr>
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154
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+
<td>13</td>
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155
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+
<td>14</td>
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156
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<td>15</td>
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157
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<td>16</td>
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158
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</tr>
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159
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</table>
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160
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<div id="button">
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161
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<button id="start">スタート</button>
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162
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<button id="stop">ストップ</button>
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163
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<button id="reset">リセット</button>
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164
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</div>
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165
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```
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