[js]js中6种错误处理机制

js中6种错误

http://javascript.ruanyifeng.com/grammar/error.html#toc5
https://www.jianshu.com/p/467b9a145dcc

try cache

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')