回答編集履歴
2
追記
test
CHANGED
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@@ -87,3 +87,91 @@
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87
87
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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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# 追記
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92
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93
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最大数=5とした場合
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94
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95
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```javascript
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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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const max=5;
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100
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101
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$(function() {
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102
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103
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setButton();
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104
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105
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$('.addformbox').on('click',function() {
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106
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107
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$('.box:last').after($('.box:last').clone(true).find('.toiawase').val("").end());
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108
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109
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renumber();
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110
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111
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setButton();
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112
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113
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});
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114
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115
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$('.deletformbox').on('click',function() {
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116
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117
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$(this).parents(".box").remove();
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118
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119
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renumber();
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120
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121
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setButton();
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122
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123
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});
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124
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125
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});
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126
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127
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function renumber(){
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128
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129
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$('.no').each(function(){
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130
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131
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var idx=$('.no').index(this);
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132
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133
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$(this).text(idx+2);
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134
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135
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$(this).next('input').attr('name','textarea['+(idx+1)+']');
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136
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137
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});
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138
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139
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};
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140
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141
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function setButton(){
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142
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143
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$('.addformbox').prop('disabled',$('.no').length>=max-1);
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144
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145
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$('.deletformbox').prop('disabled',$('.no').length<=1);
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146
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147
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}
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148
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149
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150
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151
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</script>
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152
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153
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<div>1</div>
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154
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155
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<input type="text" name="textarea[0]" class="toiawase" placeholder="選択肢を入力">
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156
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157
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<div class="box" data-formno="0">
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158
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159
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<div id="input_pluralBox">
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160
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161
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<div id="input_plural">
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162
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163
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<div class="no">2</div>
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164
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165
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<input type="text" name="textarea[1]" class="toiawase" placeholder="選択肢を入力">
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166
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167
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<input type="button" value="－" class="deletformbox">
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168
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169
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<input type="button" value="＋" class="addformbox">
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170
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171
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</div>
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172
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173
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</div>
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174
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175
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</div>
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176
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177
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```
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1
chousei
test
CHANGED
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@@ -40,7 +40,7 @@
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40
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41
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$(this).text(idx+2);
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42
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43
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-
$(this).next('input').attr('name','textarea['+(idx+
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$(this).next('input').attr('name','textarea['+(idx+1)+']');
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