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CODE EXAMPLE FOR JAVASCRIPT

javascript find missing number

var a = [5],
  count = 5;
var missing = new Array();

for (var i = 1; i <= count; i++) {
  if (a.indexOf(i) == -1) {
    missing.push(i);
  }
}
console.log(missing); // to check the result.
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Source by stackoverflow.com #
 
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Tagged: #javascript #find #missing #number
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3+5 =