the string needs to be converted to a binary sequence. Since new TextEncoder ("utf-8") .encode (str), is not compatible with IE browsers, you need to find another way to replace the TextEncoder method.
the string needs to be converted to a binary sequence. Since new TextEncoder ("utf-8") .encode (str), is not compatible with IE browsers, you need to find another way to replace the TextEncoder method.
uncertain and incompatible, it seems that IE is not very compatible when it comes to ArrayBuffer and ES6.
function stringToByte(str) {
var bytes = new Array();
var len, c;
len = str.length;
for(var i = 0; i < len; iPP) {
c = str.charCodeAt(i);
if(c >= 0x010000 && c <= 0x10FFFF) {
bytes.push(((c >> 18) & 0x07) | 0xF0);
bytes.push(((c >> 12) & 0x3F) | 0x80);
bytes.push(((c >> 6) & 0x3F) | 0x80);
bytes.push((c & 0x3F) | 0x80);
} else if(c >= 0x000800 && c <= 0x00FFFF) {
bytes.push(((c >> 12) & 0x0F) | 0xE0);
bytes.push(((c >> 6) & 0x3F) | 0x80);
bytes.push((c & 0x3F) | 0x80);
} else if(c >= 0x000080 && c <= 0x0007FF) {
bytes.push(((c >> 6) & 0x1F) | 0xC0);
bytes.push((c & 0x3F) | 0x80);
} else {
bytes.push(c & 0xFF);
}
}
return new Uint8Array(bytes);
}
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