JavaScript-Basics/23_array_properties_method.js at master · last-endcode/JavaScript-Basics · GitHub

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// Array method properties

letname=['edward','newgate','shirohige'];

// length
console.log(name.length);//3
console.log(name[name.length-1]);//shirohige

console.log();

// concat for combine
console.log('Concat');
letnewMember=['ace','marco','kurohige'];
constmergeMember=name.concat(newMember);
console.log(mergeMember);

console.log();

// reverse
console.log('Reverse');
console.log(mergeMember.reverse());

// unshift - add array shanks on the beginning
console.log('unshift');
console.log(mergeMember.unshift('shanks'),mergeMember);

// shift - remove array shanks on the beginning
console.log('shift');
console.log(mergeMember.shift(),mergeMember);

// push - add array lutfi on the end
console.log();
console.log('push');
console.log(name.push('lutfi','zoro','sanji'),name);

// pop - remove array on the end
console.log('pop');
console.log(name.pop(),name);//remove sanji
console.log(name.pop(),name);//remove Zoro

// splice
console.log();
console.log('splice');
console.log(name);
console.log(name.splice(0,3),name);//start index 0: edward and will stop on 3 :shirohige will remove, resulut lutfi
console.log(name);