http://javascript.ruanyifeng.com/grammar/error.html#toc5
https://www.jianshu.com/p/467b9a145dcc
try {
console.log(x);
}catch (e) {
console.dir(e);
}
console.log('还可以执行')try {
console.log(x);
}catch (e) {
console.dir(e);
throw new Error('手动抛出错误,终止代码执行')
}
console.log('程序被终止了,无法执行')原文：https://www.cnblogs.com/iiiiiher/p/9815587.html