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https://github.com/xuxiaobo-bobo/boda_jsEnv.git
synced 2025-04-21 20:55:21 +08:00
90 lines
2.4 KiB
JavaScript
90 lines
2.4 KiB
JavaScript
//异步;;;
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// 宏队列，macrotask,也叫tasks.一些异步任务的回调会依次进入 macro task queue，等待后渎被调用，这些异步任务包括：
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// setTimeout
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// setInterval
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// setImmediate(Node独有)
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// requestAnimationFrame(浏览器独有)
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// I/O
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// UI rendering(浏览器独有)
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// 微队列，microtask,也叫jobs。另一些异步任务的回调会依次进入micro task queue,等待后渎被调用，这些异步任务包括：
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// process.nextTick(Node独有)
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// Promise
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// Object.observe
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// MutationObserver
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//先执行微任务,在执行宏任务
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//html的onload未实现
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// onload:[{self:'',callback:''}]
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let HTMLElement_promise=bodavm.memory.asyncEvent['HTMLElement']['onload']
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console.log_copy(`开始执行HtmlElement====> onload事件=============>`,);
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for (let eleIndex= 0; eleIndex< HTMLElement_promise.length; eleIndex++) {
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event=HTMLElement_promise[eleIndex]
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debugger
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let self=event['self']
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let callbk=event['callback']
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console.log_copy(`开始执行HtmlElement load 事件==========`,`当前为事件元素为==>: ${self} `,` ==> callback =>`,callbk);
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callbk.call(self)
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}
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// debugger
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// addEventListener 比settimeout先执行
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// // debugger
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//setTimeout
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if (bodavm.memory.asyncEvent.listener){
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// debugger
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console.log_copy(`开始执行addlistener ====> load事件=============>`,);
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let loadEvent = bodavm.memory.asyncEvent.listener['load']
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if (loadEvent){
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for (let i = 0; i < loadEvent.length; i++) {
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// debugge
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// debugger
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console.log_copy(`开始执行浏览器 load 事件==========`,`当前为事件类型为==>: ${loadEvent[i].type} `);
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window.dispatchEvent(loadEvent[i],'bobobo')
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}
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}
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console.log_copy(`执行结束addlistener ====> load事件=============>`,);
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}
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console.log_copy(`开始执行 window.onload 事件====> load事件=============>`,);
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debugger
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if(window.onload){
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window.onload()
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console.log_copy(`执行结束 window.onload 事件====> load事件=============>`,);
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}else{
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console.log_copy(`执行结束 window.onload 事件====> load事件=============>`,);
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}
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debugger
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if (bodavm.memory.waitExec.length) {
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// debugger
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for (let index = 0; index < bodavm.memory.waitExec.length; index++) {
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let _scriptElement = bodavm.memory.waitExec[index];
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let _scriptCode = bodaParseScript(_scriptElement)
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eval(_scriptCode)
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}
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bodavm.memory.waitExec = []
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}
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