1.md

node中的eval vm.runInThisContext

字符串转ASCIII

function foo(test) {
  str = ""     
  for( i=0;i<test.length; i++ ) {
    temp = test.charCodeAt(i).toString(16);  
    str += "\\u"+ new Array(5-String(temp).length).join("0") + temp
  }
  return str
}
foo('上分')