LSvekis
95 lines
2.0 KiB
Plaintext
95 lines
2.0 KiB
Plaintext
/*
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Exercise 1
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const myList = ['Milk', 'Bread', 'Apples'];
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console.log(myList.length);
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myList[1] = 'Bananas';
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console.log(myList);
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Exercise 2
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const myList = [];
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myList.push('Milk', 'Bread', 'Apples');
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myList.splice(1, 1, 'Bananas', 'Eggs');
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const removeLast = myList.pop();
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console.log(removeLast);
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myList.sort();
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console.log(myList.indexOf('Milk'));
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myList.splice(1, 0, 'Carrots', 'Lettuce');
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const myList2 = ['Juice', 'Pop'];
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const finalList = myList.concat(myList2, myList2);
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console.log(finalList.lastIndexOf('Pop'));
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console.log(finalList);
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Exercise 3
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const myArr = [1,2,3];
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const bigArr = [myArr,myArr,myArr];
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console.log(bigArr[1][1]);
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console.log(bigArr);
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Exercise 4
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const myCar = {
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make: 'Toyota',
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model: 'Camry',
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tires: 4,
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doors: 4,
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color: 'blue',
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forSale: false
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};
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const propColor = 'color';
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myCar[propColor] = 'red';
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console.log(myCar.make + ' ' + myCar.model);
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Exercise 5
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const people = {friends:[]};
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const friend1 = {first:'Laurence',last:'Svekis',id:1};
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const friend2 = {first:'Jane',last:'Doe',id:2};
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const friend3 = {first:'John',last:'Doe',id:3};
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people.friends.push(friend1,friend2,friend3);
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console.log(people);
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const theList = ['Laurence', 'Svekis', true, 35, null, undefined, {
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test: 'one',
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score: 55
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},
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['one', 'two']
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];
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theList.length;
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Array.isArray(theList);
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theList[1] = "hello World";
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theList.indexOf('Laurence');
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theList.push("new one push");
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theList.pop();
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theList.shift();
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theList.unshift("make me first");
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theList.splice(1, 2);
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console.log(theList);
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*/
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const myArr1 = [1,3,5,6,8,9,15];
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console.log(myArr1.indexOf(0));
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console.log(myArr1.indexOf(3));
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//What is output in the console.
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//How do you replace the second element in an array myArr = [1,3,5,6,8,9,15] with the value 4?
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const myArr = [1,3,5,6,8,9,15]
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myArr.splice(1,1,4);
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console.log(myArr);
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const myArr2 = [];
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myArr2[10] = 'test'
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console.log(myArr2);
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console.log(myArr2[2]);
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//What is output in the console.
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const myArr3 = [3,6,8,9,3,55,553,434];
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myArr3.sort();
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myArr3.length = 0;
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console.log(myArr3[0]);
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//What is output in the console.
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