34 lines
782 B
Markdown
34 lines
782 B
Markdown
---
|
|
title: Unescape HTML
|
|
type: snippet
|
|
language: javascript
|
|
tags: [string,regexp]
|
|
cover: little-tree
|
|
dateModified: 2020-10-22T20:24:44+03:00
|
|
---
|
|
|
|
Unescapes escaped HTML characters.
|
|
|
|
- Use `String.prototype.replace()` with a regexp that matches the characters that need to be unescaped.
|
|
- Use the function's callback to replace each escaped character instance with its associated unescaped character using a dictionary (object).
|
|
|
|
```js
|
|
const unescapeHTML = str =>
|
|
str.replace(
|
|
/&|<|>|'|"/g,
|
|
tag =>
|
|
({
|
|
'&': '&',
|
|
'<': '<',
|
|
'>': '>',
|
|
''': "'",
|
|
'"': '"'
|
|
}[tag] || tag)
|
|
);
|
|
```
|
|
|
|
```js
|
|
unescapeHTML('<a href="#">Me & you</a>');
|
|
// '<a href="#">Me & you</a>'
|
|
```
|