jsPerf.app is an online JavaScript performance benchmark test runner & jsperf.com mirror. It is a complete rewrite in homage to the once excellent jsperf.com now with hopefully a more modern & maintainable codebase.
jsperf.com URLs are mirrored at the same path, e.g:
https://jsperf.com/negative-modulo/2
Can be accessed at:
https://jsperf.app/negative-modulo/2
<script src="https://cdn.jsdelivr.net/npm/he@1.2.0/he.min.js"></script>
function HtmlEncode0(value) {
const replacements = {
"'": "'",
"&": "&",
'"': """,
"`": "`",
"<": "<",
">": ">",
};
return value.replace(/['&"`<>]/g, _ => replacements[_]);
}
function HtmlEncode1(value) {
const replacements = new Map();
replacements.set("'", "'");
replacements.set("&", "&");
replacements.set('"', """);
replacements.set("`", "`");
replacements.set("<", "<");
replacements.set(">", ">");
return value.replace(/['&"`<>]/g, _ => replacements.get(_));
}
const replacements0v2 = {
"'": "'",
"&": "&",
'"': """,
"`": "`",
"<": "<",
">": ">",
};
function HtmlEncode0v2(value) {
return value.replace(/['&"`<>]/g, _ => replacements0v2[_]);
}
const replacements1v2 = new Map();
replacements1v2.set("'", "'");
replacements1v2.set("&", "&");
replacements1v2.set('"', """);
replacements1v2.set("`", "`");
replacements1v2.set("<", "<");
replacements1v2.set(">", ">");
function HtmlEncode1v2(value) {
return value.replace(/['&"`<>]/g, _ => replacements1v2.get(_));
}
function HtmlEncode2(value) {
let result = "";
for (var i = 0; i < value.length; i++) {
switch (value[i]) {
case "'":
result += "'";
break;
case "&":
result += "&";
break;
case '"':
result += """;
break;
case "`":
result += "`";
break;
case "<":
result += "<";
break;
case ">":
result += ">";
break;
default:
result += value[i];
break;
}
}
return result;
}
function HtmlEncode3(value) {
const result = [];
for (var i = 0; i < value.length; i++) {
switch (value[i]) {
case "'":
result.push("'");
break;
case "&":
result.push("&");
break;
case '"':
result.push(""");
break;
case "`":
result.push("`");
break;
case "<":
result.push("<");
break;
case ">":
result.push(">");
break;
default:
result.push(value[i]);
break;
}
}
return result.join("");
}
const testValue = ' !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~';
Ready to run.
Test | Ops/sec | |
---|---|---|
he.js |
| ready |
regex map |
| ready |
loop string concat |
| ready |
loop array join |
| ready |
regex object |
| ready |
regex map v2 |
| ready |
regex object v2 |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.