Strings Concatenation With Separator: join, +, concat (v5)

Revision 5 of this benchmark created on

Setup

function testJoinPush(...args) {
    const string = []

    for (const item of args) {
        string.push(item)
    }

    return string.join(' ')
}

function testJoinIndex(...args) {
    const string = []

    for (let idx = 0, size = args.length; idx < size; ++idx) {
        string[idx] = args[idx]
    }

    return string.join(' ')
}

const concat = String.prototype.concat.bind(String.prototype)

function testConcat(...args) {
    const [firstString, ...otherStrings] = args
    let string = firstString

    for (const item of otherStrings) {
        string = concat(string, ' '+ item)
    }

    return string
}

function testAddForOf(...args) {
    const [firstString, ...otherStrings] = args
    let string = firstString

    for (const item of otherStrings) {
        string += ' '+ item
    }

    return string
}

function testAddForEach(...args) {
    const [firstString, ...otherStrings] = args
    let string = firstString

    otherStrings.forEach(item => {
        string += ' '+ item
    })

    return string
}

function testAddForLoop(...args) {
    const [firstString, ...otherStrings] = args
    let string = firstString

    for (let idx = 0, size = otherStrings.length; idx < size; ++idx) {
        string += ' '+ otherStrings[idx]
    }

    return string
}

function testAddWhile(...args) {
    const [firstString, ...otherStrings] = args
    let string = firstString
    let idx = 0
    const size = otherStrings.length

    while (idx < size) {
        string += ' '+ otherStrings[idx]
        ++idx
    }

    return string
}

const data = {
    data1() {
        return [
            `Component1-${Date.now()} std-flex std-flex-column std-flex-align-center std-overflow-hidden`,
            `Component2-${Date.now()}`,
        ]
    },
    data2() {
        return [
            `Component1-${Date.now()} std-flex std-flex-column std-flex-align-center std-overflow-hidden`,
            `Component2-${Date.now()} std-flex std-flex-column std-flex-align-center std-overflow-hidden`,
        ]
    },
    data3() {
        return [
            `Component1-${Date.now()} std-flex std-flex-column std-flex-align-center std-overflow-hidden`,
            `Component2-${Date.now()} std-flex std-flex-column std-flex-align-center std-overflow-hidden`,
            `Component3-${Date.now()} std-flex std-flex-column std-flex-align-center std-overflow-hidden`,
            `Component4-${Date.now()} std-flex std-flex-column std-flex-align-center std-overflow-hidden`,
        ]
    },
}

Test runner

Ready to run.

Testing in
TestOps/sec
Join with push
testJoinPush(...data.data1())
testJoinPush(...data.data2())
testJoinPush(...data.data3())
ready
Join with index
testJoinIndex(...data.data1())
testJoinIndex(...data.data2())
testJoinIndex(...data.data3())
ready
Concat
testConcat(...data.data1())
testConcat(...data.data2())
testConcat(...data.data3())
ready
Add with for-of
testAddForOf(...data.data1())
testAddForOf(...data.data2())
testAddForOf(...data.data3())
ready
Add with for-each
testAddForEach(...data.data1())
testAddForEach(...data.data2())
testAddForEach(...data.data3())
ready
Add with for-loop
testAddForLoop(...data.data1())
testAddForLoop(...data.data2())
testAddForLoop(...data.data3())
ready
Add with while
testAddWhile(...data.data1())
testAddWhile(...data.data2())
testAddWhile(...data.data3())
ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.