如何在Javascript中打印文字unicode字符串? [英] How to print literal unicode string in Javascript?
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问题描述
我有一个包含具有特殊unicode字符的字符串的数组:
I have an array containing strings with special unicode characters:
var a = [
["a", 33],
["h\u016B", 44],
["s\u00EF", 51],
...
];
当我循环访问此数组时:
When I loop over this array:
for (i=0;i<a.length;i++) {
document.write(a[i][0] + "<br />");
}
它会输出带有重音符号的字符:
It prints characters with accents:
a
hù
sô
...
我想要:
a
h\u016B
s\u00EF
...
如何在Javascript中实现? p>
How can I achieve this in Javascript?
推荐答案
这样的东西吗?
/* Creates a uppercase hex number with at least length digits from a given number */
function fixedHex(number, length){
var str = number.toString(16).toUpperCase();
while(str.length < length)
str = "0" + str;
return str;
}
/* Creates a unicode literal based on the string */
function unicodeLiteral(str){
var i;
var result = "";
for( i = 0; i < str.length; ++i){
/* You should probably replace this by an isASCII test */
if(str.charCodeAt(i) > 126 || str.charCodeAt(i) < 32)
result += "\\u" + fixedHex(str.charCodeAt(i),4);
else
result += str[i];
}
return result;
}
var a = [
["a", 33],
["h\u016B", 44],
["s\u00EF", 51]
];
var i;
for (i=0;i<a.length;i++) {
document.write(unicodeLiteral(a[i][0]) + "<br />");
}
结果
Result
a
h\u016B
s\u00EF
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