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const elements = ["Eat", "Sleep", "Code", "Repeat"];

elements.join(",");

#javascript #objects #join

concatenate objects

const defaultOptions = {
  verbose: false,
  src: "./src",
  dist: "./dist"
};
const userOptions = { verbose: true };

const options = { ...defaultOptions, ...userOptions };

#javascript #array #arrays #join

concatenate arrays

const winners = ["Jane", "Bob"];
const losers = ["Ronald", "Kevin"];

const players = [...winners, ...losers];

#array #object #map #join

map join properties of object

const persons = [
  {firstname : "Malcom", lastname: "Reynolds"},
  {firstname : "Kaylee", lastname: "Frye"},
  {firstname : "Jayne", lastname: "Cobb"}
];

persons.map(getFullName);

function getFullName(item) {
  return [item.firstname,item.lastname].join(" ");
}

#bash #fastq #join

join fastq.gz files

cat *.fastq.gz > control_lambda_7_2_2021.fastq.gz

convert array to comma separated string

concatenate objects

concatenate arrays

map join properties of object

join fastq.gz files

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