* feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>
1.9 KiB
id, title, challengeType, forumTopicId, dashedName
id | title | challengeType | forumTopicId | dashedName |
---|---|---|---|---|
587d7b84367417b2b2512b37 | Catch Mixed Usage of Single and Double Quotes | 1 | 301188 | catch-mixed-usage-of-single-and-double-quotes |
--description--
JavaScript allows the use of both single ('
) and double ("
) quotes to declare a string. Deciding which one to use generally comes down to personal preference, with some exceptions.
Having two choices is great when a string has contractions or another piece of text that's in quotes. Just be careful that you don't close the string too early, which causes a syntax error.
Here are some examples of mixing quotes:
// These are correct:
const grouchoContraction = "I've had a perfectly wonderful evening, but this wasn't it.";
const quoteInString = "Groucho Marx once said 'Quote me as saying I was mis-quoted.'";
// This is incorrect:
const uhOhGroucho = 'I've had a perfectly wonderful evening, but this wasn't it.';
Of course, it is okay to use only one style of quotes. You can escape the quotes inside the string by using the backslash (\
) escape character:
// Correct use of same quotes:
const allSameQuotes = 'I\'ve had a perfectly wonderful evening, but this wasn\'t it.';
--instructions--
Fix the string so it either uses different quotes for the href
value, or escape the existing ones. Keep the double quote marks around the entire string.
--hints--
Your code should fix the quotes around the href
value "#Home" by either changing or escaping them.
assert(code.match(/<a href=\s*?('|\\")#Home\1\s*?>/g));
Your code should keep the double quotes around the entire string.
assert(code.match(/"<p>.*?<\/p>";/g));
--seed--
--seed-contents--
let innerHtml = "<p>Click here to <a href="#Home">return home</a></p>";
console.log(innerHtml);
--solutions--
let innerHtml = "<p>Click here to <a href=\"#Home\">return home</a></p>";
console.log(innerHtml);