在一个字符串中实现替换所有

[yangbo5207]

比如我有一个字符串

var str = 'To solve these problems,\n a new optimistic transaction concurrency protocol,\n BOCC-RW, which is based on read and write timestamp, \n is proposed in mobile computing environment.'

我想将字符串中所有的'\n' 替换成 '
'，我应该如何实现

[yangbo5207]

look me.

str.replace(/\n/g, '<br>');