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Ignore case sensitive in javascript
In JavaScript, you can convert all letters in a string to lowercase or uppercase using the toLowerCase() and toUpperCase() methods respectively. This allows you to ignore case sensitivity when comparing strings. Here is an example:
javascript Copy code
let string1 = "Hello World";
let string2 = "hello world";
if (string1.toLowerCase() === string2.toLowerCase()) {
console.log("The strings are equal, ignoring case.");
} else {
console.log("The strings are not equal, considering case.");
}
This code converts both strings to lowercase before comparing them. As a result, the conditional statement will evaluate to true, and "The strings are equal, ignoring case." will be printed to the console.
How can I define "Portugal" to be the same as "PORTUGAL" in Java Script?
To define "Portugal" to be the same as "PORTUGAL" in JavaScript, you can use the toLowerCase() method to convert both strings to lowercase letters and then compare them.
Here's an example:
javascript Copy code
let country = "Portugal";
let userInput = "PORTUGAL";
if (userInput.toLowerCase() === country.toLowerCase()) {
console.log("User input matches country!");
} else {
console.log("User input does not match country.");
}
In the example above, the toLowerCase() method is called on both strings to convert them to lowercase letters. Then, the === comparison operator is used to check if the lowercase user input matches the lowercase country name. If the strings match, the console will log "User input matches country!". If they don't match, the console will log "User input does not match country."
Ask for "What country are you from?" in a prompt Alert βYou speak Portugueseβ if you are from Brazil or Portugal Alert βYou don't speak Portugueseβ otherwise Bonus point: make it work with brazil, BRAZIL, PORTUGAL, pORTugal
javascript Copy code
var country = prompt('What country are you from?');
if (/brazil|portugal/i.test(country)) {
alert('You speak Portuguese!');
} else {
alert("You don't speak Portuguese.");
}
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