当删除数组项并在模型数组的一个拼接中添加另一个数组项时,纸制表符只是从DOM中删除已删除的项,而不添加新的项。请看一下:<!removed and another one is added in one splice on model array, paper-tabs just removes removed item from DOM="https://rawgit.com/EdVaIl/polymer/master/dist/bower_com
一旦呈现myLibrary,一旦按下他的删除按钮,我需要.splice()一本书。我试过了但没成功。它说deleteBtn是空的。deleteBtn.addEventListener('click', ...) library.innerHTML = '';
for (let i = 0; i < myLi