js将字符串换行

var test = "测试一下换行\n不知道行不行\n看结果";
while (test.indexOf("\\n") >= 0) {

      var test = test.replace("\\n", " \n ");

}
console.log(test);












https://blog.csdn.net/skye_95/article/details/84348649?utm_term=js%E5%AD%97%E7%AC%A6%E4%B8%B2%E8%87%AA%E5%8A%A8%E6%8D%A2%E8%A1%8C&utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~all~sobaiduweb~default-9-84348649&spm=3001.4430