SOURCE

const content = `<bode><div style=" padding:1px">12        3</div></bode>`
function replaceHtml(content) {
    const str = content
    const arr = [...content]
    const start = arr.findIndex(item => item === '<')
    const end = arr.findIndex(item => item === '>')
    let tag = arr.slice(start, end + 1)
    const item = {
        tag: tag
    }
}

replaceHtml(content)