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| Current File : //proc/thread-self/root/home/ubuntu/node-v16.18.1/benchmark/es/string-concatenations.js |
'use strict';
const common = require('../common.js');
const configs = {
n: [1e3],
mode: [
'multi-concat',
'multi-join',
'multi-template',
'to-string-string',
'to-string-concat',
'to-string-template',
],
};
const bench = common.createBenchmark(main, configs);
function main({ n, mode }) {
const str = 'abc';
const num = 123;
let string;
switch (mode) {
case 'multi-concat':
bench.start();
for (let i = 0; i < n; i++)
string = '...' + str + ', ' + num + ', ' + str + ', ' + num + '.';
bench.end(n);
break;
case 'multi-join':
bench.start();
for (let i = 0; i < n; i++)
string = ['...', str, ', ', num, ', ', str, ', ', num, '.'].join('');
bench.end(n);
break;
case 'multi-template':
bench.start();
for (let i = 0; i < n; i++)
string = `...${str}, ${num}, ${str}, ${num}.`;
bench.end(n);
break;
case 'to-string-string':
bench.start();
for (let i = 0; i < n; i++)
string = String(num);
bench.end(n);
break;
case 'to-string-concat':
bench.start();
for (let i = 0; i < n; i++)
string = '' + num;
bench.end(n);
break;
case 'to-string-template':
bench.start();
for (let i = 0; i < n; i++)
string = `${num}`;
bench.end(n);
break;
default:
throw new Error(`Unexpected method "${mode}"`);
}
return string;
}
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