...视图上。对应到代码上,就是一个 diff 函数,返回一个 patches (补丁)。 const before = h(div, {}, before text) const after = h(div, {}, after text) const patches = diff(before, after) 修改我们之前的组件,增加 setState 方法,用于修改组件的内...
...(() => tick(el, initialCount), 1000) } function tick(el, count) { const patches = diff(view(count + 1), view(count)) patch(el, patches) if(count > 5) { return } setTimeout(() => tick(el, ...
...体代码结构是: var newVnode = render(vnode, state) var oldVnode = patch(oldVnode, newVnode) state.dispatch(change) var newVnode = render(vnode, state) var oldVnode = patch(oldVnode, newVnode) virtual dom...
...顺序 let index = 0 // 在遍历过程中记录节点的差异 let patches = {} // 深度优先遍历两棵树 deepTraversal(oldTree, newTree, index, patches) // 得到的差异对象返回出去 return patches } function deepTraversal(oldNode, newNod...
...概如下:从给定的很多张自然图片中截取出大小为8*8的小patches图片共10000张,现在需要用sparse autoencoder的方法训练出一个隐含层网络所学习到的特征。该网络共有3层,输入层是64个节点,隐含层是25个节点,输出层当然也是64个...
...节点就把改节点和新的数进行对比,如果有差异就记录到patches中 // diff 函数,对比两棵树 function diff (oldTree, newTree) { let index = 0 // 当前节点的标志 let patches = {} // 用来记录每个节点差异的对象 dfsWalk(oldTree, newTree, index, patches)...
...n diff (oldTree, newTree) { var index = 0 // 当前节点的标志 var patches = {} // 用来记录每个节点差异的对象 dfsWalk(oldTree, newTree, index, patches) return patches } // 对两棵树进行深度优先遍历 function dfsWalk (oldNode,...
...f(oldTree, newTree) { var index = 0 // 当前节点的标志 var patches = {} // 记录每个节点差异的地方 dfsWalk(oldTree, newTree, index, patches) return patches } function dfsWalk(oldNode, newNode, index,...
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