Run results for: pick by substring key and concatenate

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:124.0) Gecko/20100101 Firefox/124.0

Browser: Firefox 124

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
substring & array result	3784533.8 Ops/sec
string builder & array result	2045731.5 Ops/sec
substring & string result	4394865.5 Ops/sec
string builder & string result	2090239.5 Ops/sec
substring & string result using concatenate	4244565.0 Ops/sec

Tests:

substring & array result
const object = {'key1': 'value1', 'key2': 'value2', 'key1 variant': 'value1 variant'} const result = [] const key='key1 variant' for (let i = 0; i <= key?.length; i++) { if (key[i] === ' ' || i === key.length) { const current = key.substring(0, i) if (object[current]) { result.push(object[current]) } } } const final = result.join(' ')
string builder & array result
const object = {'key1': 'value1', 'key2': 'value2', 'key1 variant': 'value1 variant'} const result = [] const key='key1 variant' let current = '' for (let i = 0; i <= key?.length; i++) { current += key[i] if (key[i] === ' ' || i === key.length) { if (object[current]) { result.push(object[current]) } } } const final = result.join(' ')
substring & string result
const object = {'key1': 'value1', 'key2': 'value2', 'key1 variant': 'value1 variant'} let result = '' const key='key1 variant' for (let i = 0; i <= key?.length; i++) { if (key[i] === ' ' || i === key.length) { const current = key.substring(0, i) if (object[current]) { result += ' ' + object[current] } } }
string builder & string result
const object = {'key1': 'value1', 'key2': 'value2', 'key1 variant': 'value1 variant'} let result = '' const key='key1 variant' let current = '' for (let i = 0; i <= key?.length; i++) { current += key[i] if (key[i] === ' ' || i === key.length) { if (object[current]) { result += ' ' + object[current] } } }
substring & string result using concatenate
const object = {'key1': 'value1', 'key2': 'value2', 'key1 variant': 'value1 variant'} let result = '' const key='key1 variant' for (let i = 0; i <= key?.length; i++) { if (key[i] === ' ' || i === key.length) { const current = key.substring(0, i) if (object[current]) { result = result.concat(' ', object[current]) } } }

Run results for: pick by substring key and concatenate

substring & array result

string builder & array result

substring & string result

string builder & string result

substring & string result using concatenate