回答編集履歴
2
修正
test
CHANGED
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@@ -120,9 +120,7 @@
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120
120
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121
121
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el.style.backgroundColor = el.value;
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122
122
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123
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-
let color = pickr.getColor();
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124
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-
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125
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-
el.style.color = blackOrWhite( color.toRGBA() );
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123
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+
el.style.color = blackOrWhite( pickr.getColor().toRGBA() );
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126
124
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127
125
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128
126
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1
コメントを受けて追記
test
CHANGED
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@@ -3,3 +3,151 @@
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3
3
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4
4
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5
5
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[Pickr fiddle template - JSFiddle](https://jsfiddle.net/Simonwep/wL1zyqcd/)
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6
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7
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8
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9
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10
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# コメントを受けて追記
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12
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こんな感じでしょうか？
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16
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[https://jsfiddle.net/Lhankor_Mhy/yjdtch9n/](https://jsfiddle.net/Lhankor_Mhy/yjdtch9n/)
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18
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```html
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21
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<section class="container">
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<input type="text" name="test" id="test1" value="#000">
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<input type="text" name="test" id="test2" value="#8BC34AD9">
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<input type="text" name="test" id="test2" value="red">
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<input type="text" name="test" id="test2" value="brown">
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<input type="text" name="test" id="test3" value="white">
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</section>
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```
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```js
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const container = document.querySelectorAll('.container>input').forEach( el => {
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const pickr = new Pickr({
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el,
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useAsButton: true,
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default: '#42445A',
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theme: 'classic',
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swatches: [
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'rgba(244, 67, 54, 1)',
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'rgba(233, 30, 99, 0.95)',
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'rgba(156, 39, 176, 0.9)',
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'rgba(103, 58, 183, 0.85)',
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'rgba(63, 81, 181, 0.8)',
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'rgba(33, 150, 243, 0.75)',
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'rgba(3, 169, 244, 0.7)',
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'rgba(0, 188, 212, 0.7)',
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'rgba(0, 150, 136, 0.75)',
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'rgba(76, 175, 80, 0.8)',
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'rgba(139, 195, 74, 0.85)',
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'rgba(205, 220, 57, 0.9)',
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'rgba(255, 235, 59, 0.95)',
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'rgba(255, 193, 7, 1)'
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84
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],
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components: {
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preview: true,
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opacity: true,
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hue: true,
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interaction: {
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hex: true,
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rgba: true,
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hsva: true,
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input: true,
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clear: true,
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save: true
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}
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114
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}
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}).on('init', pickr => {
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118
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119
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pickr.setColor(el.value);
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120
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121
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el.style.backgroundColor = el.value;
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122
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123
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let color = pickr.getColor();
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124
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125
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el.style.color = blackOrWhite( color.toRGBA() );
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126
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127
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128
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129
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}).on('save', color => {
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130
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131
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el.value = color.toHEXA().toString(0);
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132
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133
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el.style.backgroundColor = el.value;
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134
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135
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el.style.color = blackOrWhite( color.toRGBA() );
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136
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137
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pickr.hide();
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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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142
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143
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});
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144
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145
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function blackOrWhite ( [r, g, b] ) {
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146
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147
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// via. https://lab.syncer.jp/Web/JavaScript/Snippet/55/
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148
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149
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return ( ( ( (r * 299) + (g * 587) + (b * 114) ) / 1000 ) < 128 ) ? "white" : "black" ;
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150
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151
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}
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152
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153
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```
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