Reverse a Given String Write a JavaScript program to reverse a given string. This JavaScript program reverses a given string. It iterates through the characters of the string from the last to the first and constructs a new string by appending each character in reverse order. Finally, it return...
Write a JavaScript program to rotate the string 'w3resource' in the right direction. This is done by periodically removing one letter from the string end and attaching it to the front. Click me to see the solution 6. Check Leap Year (Gregorian Calendar) Write a JavaScript program to determi...
a.push(1,2,3); // The push() method adds elements to an array a.reverse(); // Another method: reverse the order of elements // We can define our own methods, too. The "this" keyword refers to the object // on which the method is defined: in this case, the points array from...
function stringReverse(str) { return str.split('').reverse().join('') } var toUpperAndReverse = 组合(stringReverse, stringToUpper) var res = toUpperAndReverse(str) 那么当我们需求变化的时候,我们根本不需要修改之前封装过的东西。 // 例 2 var str = 'function program' function stringToUpper(st...
console.log(String.reverse("egassem terces"));Note即使允许,你也不会真的想要像这样扩展一个核心 JavaScript 对象。这至少被认为是不礼貌的,但可能会给你或他人的代码带来错误。此规则的一个例外是,当一个对象通过使用 polyfill 进行扩展,以填充其他代码所期望的缺失功能时。
// When functions are assigned to the properties of an object, we call// them "methods." All JavaScript objects (including arrays) have methods:leta = [];// Create an empty arraya.push(1,2,3);// The push() method adds elements to an arraya.reverse();// Another method: reverse ...
var str = 'function program' function stringToUpper(str) { return str.toUpperCase() } function stringReverse(str) { return str.split('').reverse().join('') } function stringToArray(str) { return str.split('') } var strUpperAndReverseAndArray = 组合(stringToArray, stringReverse, string...
// 例 2varstr='function program'functionstringToUpper(str){returnstr.toUpperCase()}functionstringReverse(str){returnstr.split('').reverse().join('')}// var toUpperAndReverse = 组合(stringReverse, stringToUpper)// var res = toUpperAndReverse(str)functionstringToArray(str){returnstr.split(''...
All JavaScript objects (including arrays) have methods: let a = []; // Create an empty array a.push(1,2,3); // The push() method adds elements to an array a.reverse(); // Another method: reverse the order of elements // We can define our own methods, too. The "this" ...
Literal token is replaced with StringLiteral, NumericLiteral, BigIntLiteral, BooleanLiteral, NullLiteral, RegExpLiteral Property token is replaced with ObjectProperty and ObjectMethod MethodDefinition is replaced with ClassMethod Program and BlockStatement contain additional directives field with Directive and...