html how to type a long string in many lines

JavaScript
/*
  Use to format long strings without crossing ruler length
  or affecting string display. NOTE: use grave-accents/backticks: ` 
*/
function getLongString() {
  return `
    Bacon ipsum dolor amet boudin pastrami shankle ham fatback
    pork. Short ribs ham beef, filet mignon ball tip sirloin
    shankle t-bone drumstick. Ground round drumstick pancetta
    fatback alcatra.
  `;
}

function getDynamicMessage() {
  const personName = "Dave Dude";
  const whatever = (((1 + 2) * 3) / 4);
  return `
    Hello, ${personName}! Here's a very long string with
    some dynamic values in, such as: ${whatever}`; 
}
Source

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