回答編集履歴
1
ついか
test
CHANGED
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@@ -65,3 +65,105 @@
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65
65
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</table>
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66
66
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67
67
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```
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68
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69
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70
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71
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# 昇順/降順切り替え
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72
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73
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```javascript
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74
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75
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<style>
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76
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77
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.asc:after{
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78
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79
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font-size:0.7em;
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80
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81
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content:"▲";
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82
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83
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}
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84
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85
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.desc:after{
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86
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87
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font-size:0.7em;
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88
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89
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content:"▼";
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90
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91
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}
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92
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93
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</style>
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94
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95
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<script>
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96
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97
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window.addEventListener('DOMContentLoaded', ()=>{
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98
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99
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document.querySelector('.sort-table th:first-child').classList.add('asc');
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100
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101
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document.querySelectorAll('.sort-table th').forEach(x=>{
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102
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103
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x.addEventListener('click',()=>{
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104
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105
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let y=document.querySelector('.sort-table th.asc,.sort-table th.desc');
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106
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107
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if(x!==y) y?.classList.remove('asc','desc');
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108
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109
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x.classList.toggle('desc',x.classList.contains('asc'));
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110
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111
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x.classList.toggle('asc');
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112
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const idx=[...x.parentNode.children].indexOf(x);
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115
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const tbody=x.closest('table').querySelector('tbody');
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116
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[...tbody.querySelectorAll('tr')].sort((y,z)=>{
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118
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const ty=y.querySelector(`td:nth-child(${idx+1})`).textContent;
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const tz=z.querySelector(`td:nth-child(${idx+1})`).textContent;
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122
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return (ty==tz?0:(ty>tz?1:-1))*(x.classList.contains('asc')?1:-1);
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}).forEach(x=>tbody.appendChild(x));
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126
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127
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});
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128
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129
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});
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130
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131
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});
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132
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133
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</script>
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134
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135
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<table class="sort-table">
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136
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<thead>
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138
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139
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<tr>
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140
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141
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<th>番号</th>
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142
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143
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<th>名前</th>
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144
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145
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<th>生年月日</th>
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146
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147
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<th>成績</th>
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148
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149
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</tr>
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150
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151
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</thead>
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152
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153
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<tbody>
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154
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155
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<tr><td>1</td><td>田中太郎</td><td> 8月12日</td><td> 95点</td></tr>
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156
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157
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<tr><td>2</td><td>鈴木一郎</td><td> 3月 3日</td><td>100点</td></tr>
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158
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159
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<tr><td>3</td><td>佐藤二朗</td><td>12月12日</td><td> 75点</td></tr>
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160
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161
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<tr><td>4</td><td>吉田三郎</td><td> 6月 6日</td><td> 60点</td></tr>
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162
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163
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<tr><td>5</td><td>東川夏葉</td><td> 1月 4日</td><td> 80点</td></tr>
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164
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165
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</tbody>
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166
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167
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</table>
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168
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169
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```
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