Javascript

if (array.includes(value) === false) array.push(value);
fruits.forEach(function(item, index, array) {
  console.log(item, index)
})
// Apple 0
// Banana 1
console.log("entering try-catch statement");

try {
  console.log("entering try block");
  throw "thrown message";
  console.log("this message is never seen");
}
catch (e) {
  console.log("entering catch block");
  console.log(e);
  console.log("leaving catch block");
}
finally {
  console.log("entering and leaving the finally block");
}

console.log("leaving try-catch statement");
const str = 'To be, or not to be, that is the question.' 

console.log(str.includes('To be'))        // true
console.log(str.includes('question'))     // true
console.log(str.includes('nonexistent'))  // false
console.log(str.includes('To be', 1))     // false
console.log(str.includes('TO BE'))        // false
console.log(str.includes(''))             // true
numbers.forEach(function(number) {
    console.log(number);
});

numbers.forEach(function() {
    // code
});
numbers.forEach((number, index, array) => {
    console.log(array);
});

numbers.forEach((number, index) => {
    console.log('Index: ' + index + ' Value: ' + number);
});
// json data
;[
  {
    name: 'Aragorn',
    race: 'Human',
  },
  {
    name: 'Legolas',
    race: 'Elf',
  },
  {
    name: 'Gimli',
    race: 'Dwarf',
  },
]

$url = 'data.json'; // path to your JSON file
$data = file_get_contents($url); // put the contents of the file into a variable
$characters = json_decode($data); // decode the JSON feed

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