JS Snippets: String: Difference between revisions

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== References ==


* [https://codewithmosh.com/p/object-oriented-programming-in-javascript Code with Mosh: The Ultimate JavaScript Mastery Series - Part 2]
==References==
* [https://www.w3schools.com/js/default.asp W3School: JavaScript Tutorial]


== Section 1 ==
*[https://github.com/metalevel-tech/exc-js-homework MLT GitHub: JavaScript Homework Tasks]
...
 
==Reverse a String==
<syntaxhighlight lang="typescript">
function reverse(str: string) {
    return str.split("").reverse().join("");
}
</syntaxhighlight><syntaxhighlight lang="typescript">
function reverse(str: string) {
    let newStr = "";
    for (let i = str.length - 1; i >= 0; i--) newStr += str[i];
    return newStr;
}
</syntaxhighlight>
 
== Is Palindrome==
 
* ''Palindromes are words that are the same forward or backward.''
<syntaxhighlight lang="typescript">
function isPalindrome(str: string) {
    return str === str.split("").reverse().join("");
}
</syntaxhighlight>
 
==Is Anagram==
 
*''Anagrams are groups of words that can be spelled with the same letters.''
<syntaxhighlight lang="typescript">
function isAnagram(str1: string, str2: string) {
    if (str1.length !== str2.length) return false;
    return str1.split("").sort().join("") === str2.split("").sort().join("");
}
 
</syntaxhighlight>
 
==Title Case==
 
*''Write a function that will capitalize every word in a sentence.''
<syntaxhighlight lang="typescript" class="code-continue">
function capitalizeWord(word: string) {
    return word[0].toUpperCase() + word.slice(1);
}
 
function toTitleCase(str: string) {
    return str.split(" ").map(word => capitalizeWord(word)).join(" ");
}
</syntaxhighlight>
 
<syntaxhighlight lang="javascript" class="code-continue">
console.log(toTitleCase("pumpkin pranced purposefully across the pond"));
</syntaxhighlight>
<syntaxhighlight lang="javascript" class="code-continue">
Pumpkin Pranced Purposefully Across The Pond
</syntaxhighlight>


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  | Прндл  = JavaScript
  | Прндл  = JavaScript

Revision as of 13:32, 11 March 2023

JavaScript

Ref­er­ences

Re­verse a String

function reverse(str: string) {
    return str.split("").reverse().join("");
}

function reverse(str: string) {
    let newStr = "";
    for (let i = str.length - 1; i >= 0; i--) newStr += str[i];
    return newStr;
}

Is Palin­drome

  • Palin­dromes are words that are the same for­ward or back­ward.
function isPalindrome(str: string) {
    return str === str.split("").reverse().join("");
}

Is Ana­gram

  • Ana­grams are groups of words that can be spelled with the same let­ters.
function isAnagram(str1: string, str2: string) {
    if (str1.length !== str2.length) return false;
    return str1.split("").sort().join("") === str2.split("").sort().join("");
}

Ti­tle Case

  • Write a func­tion that will cap­i­tal­ize every word in a sen­tence.
function capitalizeWord(word: string) {
    return word[0].toUpperCase() + word.slice(1);
}

function toTitleCase(str: string) {
    return str.split(" ").map(word => capitalizeWord(word)).join(" ");
}

console.log(toTitleCase("pumpkin pranced purposefully across the pond"));

Pumpkin Pranced Purposefully Across The Pond


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