Fastest HTML entities library.
Comes with both TypeScript and Flow types.
$ npm install html-entitiesEncodes text replacing HTML special characters (<>&"') and/or other character ranges depending on mode option value.
import {encode} from 'html-entities';
encode('< > " \' & © ∆');
// -> '< > " ' & © ∆'
encode('< ©', {mode: 'nonAsciiPrintable'});
// -> '< ©'
encode('< ©', {mode: 'nonAsciiPrintable', level: 'xml'});
// -> '< ©'
encode('< > " \' & ©', {mode: 'nonAsciiPrintableOnly', level: 'xml'});
// -> '< > " \' & ©'Options:
allalias tohtml5(default).html5usesHTML5named references.html4usesHTML4named references.xmlusesXMLnamed references.
specialCharsencodes only HTML special characters (default).nonAsciiencodes HTML special characters and everything outside the ASCII character range.nonAsciiPrintableencodes HTML special characters and everything outiside of the ASCII printable characters.nonAsciiPrintableOnlyeverything outiside of the ASCII printable characters keeping HTML special characters intact.extensiveencodes all non-printable characters, non-ASCII characters and all characters with named references.
decimaluses decimal numbers when encoding html entities. i.e.©(default).hexadecimaluses hexadecimal numbers when encoding html entities. i.e.©.
Decodes text replacing entities to characters. Unknown entities are left as is.
import {decode} from 'html-entities';
decode('< > " ' & © ∆');
// -> '< > " \' & © ∆'
decode('©', {level: 'html5'});
// -> '©'
decode('©', {level: 'xml'});
// -> '©'Options:
allalias tohtml5(default).html5usesHTML5named references.html4usesHTML4named references.xmlusesXMLnamed references.
bodyemulates behavior of browser when parsing tag bodies: entities without semicolon are also replaced (default).attributeemulates behavior of browser when parsing tag attributes: entities without semicolon are replaced when not followed by equality sign=.strictignores entities without semicolon.
Decodes a single HTML entity. Unknown entitiy is left as is.
import {decodeEntity} from 'html-entities';
decodeEntity('<');
// -> '<'
decodeEntity('©', {level: 'html5'});
// -> '©'
decodeEntity('©', {level: 'xml'});
// -> '©'Options:
allalias tohtml5(default).html5usesHTML5named references.html4usesHTML4named references.xmlusesXMLnamed references.
Statistically significant comparison with other libraries using benchmark.js.
Results by this library are marked with *.
The source code of the benchmark is available at benchmark/benchmark.ts.
Common
Initialization / Load speed
* #1: html-entities x 2,632,942 ops/sec ±3.71% (72 runs sampled)
#2: entities x 1,379,154 ops/sec ±5.87% (75 runs sampled)
#3: he x 1,334,035 ops/sec ±3.14% (83 runs sampled)
HTML5
Encode test
* #1: html-entities.encode - html5, nonAscii x 415,806 ops/sec ±0.73% (85 runs sampled)
* #2: html-entities.encode - html5, nonAsciiPrintable x 401,420 ops/sec ±0.35% (93 runs sampled)
#3: entities.encodeNonAsciiHTML x 401,235 ops/sec ±0.41% (88 runs sampled)
#4: entities.encodeHTML x 284,868 ops/sec ±0.45% (93 runs sampled)
* #5: html-entities.encode - html5, extensive x 237,613 ops/sec ±0.42% (93 runs sampled)
#6: he.encode x 91,459 ops/sec ±0.50% (84 runs sampled)
Decode test
#1: entities.decodeHTMLStrict x 614,920 ops/sec ±0.41% (89 runs sampled)
#2: entities.decodeHTML x 577,698 ops/sec ±0.44% (90 runs sampled)
* #3: html-entities.decode - html5, strict x 323,680 ops/sec ±0.39% (92 runs sampled)
* #4: html-entities.decode - html5, body x 297,548 ops/sec ±0.45% (91 runs sampled)
* #5: html-entities.decode - html5, attribute x 293,617 ops/sec ±0.37% (94 runs sampled)
#6: he.decode x 145,383 ops/sec ±0.36% (94 runs sampled)
HTML4
Encode test
* #1: html-entities.encode - html4, nonAscii x 379,799 ops/sec ±0.29% (96 runs sampled)
* #2: html-entities.encode - html4, nonAsciiPrintable x 350,003 ops/sec ±0.42% (92 runs sampled)
* #3: html-entities.encode - html4, extensive x 169,759 ops/sec ±0.43% (90 runs sampled)
Decode test
* #1: html-entities.decode - html4, attribute x 291,048 ops/sec ±0.42% (92 runs sampled)
* #2: html-entities.decode - html4, strict x 287,110 ops/sec ±0.56% (93 runs sampled)
* #3: html-entities.decode - html4, body x 285,529 ops/sec ±0.57% (93 runs sampled)
XML
Encode test
#1: entities.encodeXML x 418,561 ops/sec ±0.80% (90 runs sampled)
* #2: html-entities.encode - xml, nonAsciiPrintable x 402,868 ops/sec ±0.30% (89 runs sampled)
* #3: html-entities.encode - xml, nonAscii x 403,669 ops/sec ±7.87% (83 runs sampled)
* #4: html-entities.encode - xml, extensive x 237,766 ops/sec ±0.45% (93 runs sampled)
Decode test
#1: entities.decodeXML x 888,700 ops/sec ±0.48% (93 runs sampled)
* #2: html-entities.decode - xml, strict x 353,127 ops/sec ±0.40% (92 runs sampled)
* #3: html-entities.decode - xml, body x 355,796 ops/sec ±1.58% (86 runs sampled)
* #4: html-entities.decode - xml, attribute x 369,454 ops/sec ±8.74% (84 runs sampled)
Escaping
Escape test
#1: entities.escapeUTF8 x 1,308,013 ops/sec ±0.37% (91 runs sampled)
* #2: html-entities.encode - xml, specialChars x 1,258,760 ops/sec ±1.00% (93 runs sampled)
#3: he.escape x 822,569 ops/sec ±0.24% (94 runs sampled)
#4: entities.escape x 434,243 ops/sec ±0.34% (91 runs sampled)
MIT
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