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@kachar
Forked from CatTail/htmlentity.js
Last active January 6, 2021 12:59
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Javascript: encode(decode) html text into html entity
// encode(decode) html text into html entity
var decodeHtmlEntity = function(str) {
return str.replace(/&#(\d+);/g, function(match, dec) {
return String.fromCharCode(dec);
});
};
var encodeHtmlEntity = function(str) {
var buf = [];
for (var i=str.length-1;i>=0;i--) {
buf.unshift(['&#', str[i].charCodeAt(), ';'].join(''));
}
return buf.join('');
};
var entity = '高级程序设计';
var str = '高级程序设计';
console.log(decodeHtmlEntity(entity) === str);
console.log(encodeHtmlEntity(str) === entity);
// output:
// true
// true
const decodeHtmlEntity = function (str: string) {
return str.replace(/&#(\d+);/g, function (match: string, dec: number) {
return String.fromCharCode(dec)
})
}
const encodeHtmlEntity = function (str: string) {
const buf = []
for (let i = str.length - 1; i >= 0; i--) {
buf.unshift(['&#', str.charCodeAt(i), ';'].join(''))
}
return buf.join('')
}
const entity = '高级程序设计';
const str = '高级程序设计';
console.log(decodeHtmlEntity(entity) === str);
console.log(encodeHtmlEntity(str) === entity);
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