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74 lines
1.6 KiB
74 lines
1.6 KiB
// 1.question
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let emt = [];
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// 2.question
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let five = [1, 2, 3, 4, 5];
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// 3.question
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console.log(five.length);
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// 4.question
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let f = 0, l = five.length - 1, mid = (f + l) / 2;
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console.log(five[f], five[l], five[mid]);
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// 5.question
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let mixedDataTypes = [
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1,
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'satya',
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false,
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20,
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null
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];
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// 6.question
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let itCompanies = [
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'Facebook',
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'Google',
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'Microsoft',
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'Apple',
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'IBM',
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'Oracle',
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'Amazon'
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];
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// 7.question
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console.log(itCompanies);
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// 8.question
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console.log(itCompanies.length);
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// 9.question
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l = itCompanies.length - 1;
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console.log(itCompanies[f], itCompanies[l], itCompanies[mid]);
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// 10.question
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itCompanies.forEach((company) => console.log(company));
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// 11.question
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itCompanies.forEach((company) => console.log(company.toUpperCase()));
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// 12.question
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console.log(itCompanies.toString());
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// 13.question
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(itCompanies.includes('Facebook')) ? console.log(itCompanies[itCompanies.indexOf('Facebook')]) : console.log('Not found');;
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// 14.question
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// itCompanies.map((c) => {
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// let count = 0;
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// let i = c.split(',');
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// i.map((e) => {
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// console.log(e);
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// if (e.split(',') == 'o') { count++; }
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// })
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// if (count > 1) {
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// // console.log(c);
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// }
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// // console.log(c);
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// });
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// 15.question
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itCompanies.sort();
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// 16.question
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itCompanies.reverse();
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// 17.question
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itCompanies.slice(0, 2);
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// 18.question
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itCompanies.slice(l - 4, l - 1);
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// 19.question
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itCompanies.slice(mid, mid + 1);
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// 20.question
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itCompanies.shift();
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// 21.question
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itCompanies.splice(mid, 1, 0);
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// 22.question
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itCompanies.pop();
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// 23.question
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itCompanies.slice(0);
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