为什么这样调用图片加载，promise 内部的后续代码不会执行了？-灵析社区

[jsbin - link -demo](https://link.segmentfault.com/?enc=8A%2FzeKNgtlSKJ0KLPkyP%2Bg%3D%3D.2p%2BEiIrfrd781gNDcKPpaS8SJF4r6AHtEXqJWi9D3%2FrEof5f8%2FOQzrsM2GZrhxuaE%2FsFKk5RHWR3hcbD2AFgAA%3D%3D) promise-load function loadImageAsync(url) { return new Promise((resolve, reject) => { let img = new Image() img.src = url img.onload(()=>resolve(img)) img.onerror(()=>reject()) console.log(3); }) } loadImageAsync('https://avatarsabc.githubusercontent.com/u/54520846?s=400&u=5220402538d51b3c67cf208ea16f93cb218fe4d2&v=4').then((imgDom) => { console.log('success'); document.body.appendChild(imgDom) }).catch(() => { console.log('error-Load'); }) 为什么console.log(3) 没有执行