JavaScript

const options = {
	method: 'POST',
	headers: {
		'content-type': 'application/json',
		'X-RapidAPI-Key': '56cf0d9c39msh90ab47fd56c02e6p1d2792jsn0f4dfaa46b90',
		'X-RapidAPI-Host': 'motivational-quotes1.p.rapidapi.com'
	},
	body: '{"key1":"value","key2":"value"}'
};

fetch('https://motivational-quotes1.p.rapidapi.com/motivation', options)
	.then(response => response.json())
	.then(response => console.log(response))
	.catch(err => console.error(err));

evalmachine.<anonymous>:1
const options = {
^

TypeError: Identifier 'options' has already been declared
    at evalmachine.<anonymous>:1:1
    at ContextifyScript.Script.runInThisContext (vm.js:25:33)
    at Object.runInThisContext (vm.js:97:38)
    at run ([eval]:1020:15)
    at onRunRequest ([eval]:864:18)
    at onMessage ([eval]:828:13)
    at emitTwo (events.js:106:13)
    at process.emit (events.js:191:7)
    at process.nextTick (internal/child_process.js:758:12)
    at _combinedTickCallback (internal/process/next_tick.js:73:7)

var msg = "Hello, World!";
console.log(msg);

Hello, World!

test = []
test.push({"num": 1, "int": 2});
test.push({"num": 2, "int": 3});
test.push({"num": 3, "int": 4});
test.push({"num": 4, "int": 5});

var obj = new Object()
obj.num = 5;
obj.int = 6;
test.push(obj);

test.forEach(function(item) {
    console.log(item.num + ", "+ item.int);
});

console.log('== Get index 0, 1 value');
test.splice(0,2).forEach(function(item) {
    console.log(item.num + ", " + item.int);
});

console.log("==only values except index 0, 1 remain in the val")
test.forEach(function(item) {
    console.log(item.num + ", " + item.int);
});

console.log("= change the object which name is 4")
var test3 = test.find(function(item){
    return item.num == "4";

});

test3.num = "change to 100";
test.forEach(function(item) {
    console.log(item.num + ", " + item.int);
});

console.log("== remove object which name is changed")
var index = test.indexOf(test3)
test.splice(index, 1);
test.forEach(function(item) {
    console.log(item.num + ", " + item.int);
});

1, 2
2, 3
3, 4
4, 5
5, 6
== Get index 0, 1 value
1, 2
2, 3
==only values except index 0, 1 remain in the val
3, 4
4, 5
5, 6
= change the object which name is 4
3, 4
change to 100, 5
5, 6
== remove object which name is changed
3, 4
5, 6