質問編集履歴
1
試したコードを記載しました。
title
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File without changes
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body
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@@ -32,12 +32,102 @@
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32
32
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</div><!-- wrapper -->
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33
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<script>
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35
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const targettargetElement = document.getElementById("button");
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35
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function fadeAnimation() {
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37
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targettargetElement.style.transition = "opacity 1s";
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38
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let sw = 0 //
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}
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function fadeSwitch(){
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41
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if(sw == 1){
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fadeIn();
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sw = 0;
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}
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else if(sw == 0){
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fadeOut();
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sw = 1;
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}
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}
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function fadeIn() {
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targettargetElement.style.transition = "opacity 2s"; // 1
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targettargetElement.style.opacity = "1"; // 1
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}
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function fadeOut() {
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targettargetElement.style.opacity = "0"; // 1
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}
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// setInterval fadeSwitch 2
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setInterval(fadeSwitch, 2000);
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59
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60
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</script>
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61
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</body>
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62
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</html>
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63
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```
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64
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```css
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65
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@charset "UTF-8";
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66
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/* reset */
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67
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body, h1, h2, h3, h4, h5, h6, p, address,
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68
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ul, ol, li, dl, dt, dd, img, form, table, tr, th, td {
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69
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margin: 0;
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70
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padding: 0;
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71
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border: none;
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72
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font-style: normal;
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73
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font-weight: normal;
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74
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font-size: 100%;
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75
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text-align: left;
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76
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list-style-type: none;
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77
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border-collapse: collapse;
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78
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}
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80
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textarea { font-size: 100%; vertical-align:middle;}
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81
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img { border-style: none; display: block; }
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82
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hr { display: none; }
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83
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em{font-style: normal}
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84
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input{line-height:auto;vertical-align:middle;}
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85
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strong.more{color:#c30}
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86
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a{text-decoration: none;}
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87
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88
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html {
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89
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90
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}
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body {
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font-family:'ヒラギノ角ゴ Pro W3','Hiragino Kaku Gothic Pro','メイリオ',Meiryo,'ＭＳ Ｐゴシック',sans-serif;
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94
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}
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95
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96
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* {
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-webkit-box-sizing: border-box;
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-moz-box-sizing: border-box;
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99
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-o-box-sizing: border-box;
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-ms-box-sizing: border-box;
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box-sizing: border-box;
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102
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}
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103
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104
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/* 上の部分は気にせずここから書く */
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105
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#wrapper {
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106
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height: 100vh;
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107
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display: flex;
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108
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justify-content: center;
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109
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align-items: center;
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110
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}
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111
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112
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.box {
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113
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display: flex;
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114
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flex-direction: column;
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115
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}
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116
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117
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#button {
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width: 200px;
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119
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height: 60px;
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120
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background-color: #fdd;
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121
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border: none;
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122
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margin: 0 auto 20px;
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123
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cursor: pointer;
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124
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}
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125
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126
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#image {
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127
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width: 300px;
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128
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opacity: 1;
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129
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}
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130
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41
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```
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42
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43
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### 試したこと
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