回答編集履歴
1
追記
test
CHANGED
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@@ -75,3 +75,47 @@
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75
75
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// => {sample: "SAMPLE"}
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76
76
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77
77
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```
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78
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+
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79
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+
追記）
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80
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+
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81
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+
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82
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+
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83
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fetch の遅延を考える
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84
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+
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85
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+
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86
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+
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87
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```javascript
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88
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+
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89
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/* omitted */
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90
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+
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91
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fetchData() {
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92
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93
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fetch('sample.json')
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94
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95
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.then(res => res.json())
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96
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97
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.then( json => {
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98
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99
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this.data = json;
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100
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+
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101
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if( "function" === typeof this.onload ) {
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102
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103
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this.onload(this);
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104
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105
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}
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106
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+
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107
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})
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108
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+
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109
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}
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110
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+
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111
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/* omitted */
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112
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113
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const a = new A();
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114
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115
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a.b.c.onload = function(c){
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116
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117
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alert(JSON.stringify(c.data));
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118
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+
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119
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}
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120
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+
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121
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```
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