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hawk.js

function createTableFromStr(str, maxCols) {
  var tokens = str.split(" ")
  var rows = []
  var cols = []

  for (var i = 0; i < tokens.length; i += 1) {
    var currToken = tokens[i]
    var td = `<td>${currToken}</td>`

    cols.push(td)

    if (cols.length === maxCols) {
      var tr = `<tr>${cols.join("")}</tr>`

      rows.push(tr)
      cols = []
    }
  }

  if (cols.length > 0 && cols.length <= maxCols) {
    var numNullsToAdd = maxCols - cols.length

    for (var i = 0; i < numNullsToAdd; i++) {
      cols.push(`<td>null</td>`)
    }

    var tr = `<tr>${cols.join("")}</tr>`
    rows.push(tr)
  }

  return `<table><tbody>${rows.join("")}</tbody></table>`
}

var test1 = createTableFromStr("Elizabeth thinks she's awesome", 10)