(JavaScript) MIME Header Q and B Encoding and Decoding

Demonstrates how to Q and B encode/decode.

Note

This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.

var success = false;

var sb = new CkStringBuilder();

sb.Append("This is a test");

console.log(sb.GetEncoded("B","utf-8"));
// output is:
// =?utf-8?B?VGhpcyBpcyBhIHRlc3Q=?=

console.log(sb.GetEncoded("Q","iso-8859-1"));
// output is:
// =?utf-8?Q?This_is_a_test?=

var sb2 = new CkStringBuilder();

sb2.Append("=?utf-8?B?VGhpcyBpcyBhIHRlc3Q=?=");
sb2.Decode("B","utf-8");
console.log(sb2.GetAsString());

// output is:
// This is a test

sb2.Clear();
sb2.Append("=?utf-8?Q?This_is_a_test?=");
sb2.Decode("Q","utf-8");
console.log(sb2.GetAsString());

// output is:
// This is a test

// "B" or "Q" will decode both B and Q.
sb2.Clear();
sb2.Append("=?utf-8?Q?This_is_a_test?= 123 =?utf-8?B?VGhpcyBpcyBhIHRlc3Q=?=");
sb2.Decode("Q","utf-8");
console.log(sb2.GetAsString());

// output is:
// This is a test 123 This is a test