<li
*ngFor="let todo of todos; let i = index;"
[ngClass]="{completed: todo.done}"
>
<button
class="destroy"
(click)=‘removeTodo(i)‘
></button>
</li>
removeTodo(index: number){
this.todos.splice(index, 1)
console.log(index);
}
splice()
函数,可以对数组实现增删改操作
原文:https://www.cnblogs.com/SharkJiao/p/13756045.html