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<!DOCTYPE html> <html> <body> <h1>JavaScript Arrays</h1> <h2>The every() Method</h2> <p>Check if every answers in the array is the same:</p> <p id="demo"></p> <script> // Create an Array const survey = [ { name: "Steve", answer: "Yes" }, { name: "Jessica", answer: "Yes" }, { name: "Peter", answer: "Yes" }, { name: "Elaine", answer: "No" } ]; // Function to Run for every Element function isSameAnswer(el, index, arr) { // Return true for the first element if (index === 0) { return true; } else { // Compare the value of the previous element return (el.answer === arr[index - 1].answer); } } document.getElementById("demo").innerHTML = survey.every(isSameAnswer); </script> </body> <!-- /jsref/tryit.asp?filename=tryjsref_every3 Thu, 06 Feb 2025 18:35:38 GMT --> </html>
