dataOptions.call不是一个函数EN简介 第一次打包vue的项目部署到服务器下时,发现初次加载特别的缓慢,...
Getting the error from the title: Uncaught (in promise) TypeError: _b.call is not a function at Proxy.render (vue-slicksort.umd.js:1110) 👍 3 entioentio commented Sep 30, 2021 I experience it as well, I think it has to do with the fact that I'm using Vue3 migration build....
一层一层查找this,直到找到this的定义 setTimeout(function () { console.log(this); },1000)//window setTimeout(() => { console.log(this); } ,1000)//window const obj = { aaa(){ // 这个是通过call函数,然后再传过来一个window setTimeout(function () {...
import {h} from 'vue'//向下兼容,可以写入vue2中的data配置项module default {name: 'App',setup(){//数据let name = '张三',let age = 18,//方法function sayHello(){console.log(name)},//f返回一个对象(常用)return {name,age,sayHello}//返回一个函数(渲染函数)//return () => {return h(...
render context.`)}else {// 在模板中使用的变量如果没有定义,报警告warn(`Property ${JSON.stringify(key)} was accessed during render ` +`but is not defined on instance.`)}}}可以看到,函数首先判断 key 不以 $ 开头的情况,这部分数据可能是 setupState、data、props、ctx 中的一种,其中 data、...
defineReactive(data,key,val){Object.defineProperty(data,key,{enumerable:true,configurable:true,get:function(){console.log(`对象属性:${key}访问defineReactive的get!`)returnval; },set:function(newVal){if(val===newVal){return; } val = newVal;console.log(`对象属性:${key}访问defineReactive的set!
(url,options,callback) // callback(el, width, height) // 原元素,宽,高 // target.refresh(url,false,(el,width,height)=>{ // el.options.width = width; // el.designTarget.css('width', width + "pt"); // el.designTarget.children('.resize-panel').trigger($.Event('click')); /...
{"compilerOptions": {"target": "ESNext","useDefineForClassFields":true,"module": "ESNext","moduleResolution": "Node","strict":true,"jsx": "preserve","resolveJsonModule":true,"isolatedModules":true,"esModuleInterop":true,"lib": ["ESNext", "DOM"],"skipLibCheck":true,"noEmit":true,...
function patchVnode ( oldVnode, vnode, ... ) { if (oldVnode === vnode) { return } //... } 4. 暂时搁置的问题 后续有时间再回来解决下面的问题 静态提升的类型总结:在上面1.3.4 hoistStatic()的阶段分析我们简单地分析了什么情况下要进行静态提升和如何生成静态提升代码,但是我们并没有对具体什么...
function markStaticRoots (node: ASTNode, isInFor: boolean) { if (node.type === 1) { // For a node to qualify as a static root, it should have children that // are not just static text. Otherwise the cost of hoisting out will ...