this.todos.filter(todo => completed === todo.completed)
this.todos.filter(todo?=>?completed?===?todo.completed)
這里的todo 是什么呀。求指點(diǎn)
雨道3436185
2021-05-24
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2021-06-09
如果你換成ES5就知道了
this.todos.filter(function(todos) {
? ? return completed === todos.completed
}
2021-06-09
如果你換成ES5就知道了
this.todos.filter(function(todo) {
? ? return completed === todo.completed
}
2021-05-24
我換成?
this.todos.filter(todos?=>?completed?===?todos.completed)
也一樣啊
所以這個(gè)todo是哪來的