1.7 KiB
1.7 KiB
| id | title | challengeType | forumTopicId |
|---|---|---|---|
| ac6993d51946422351508a41 | 截断字符串 | 5 | 16089 |
--description--
如果传入的字符串（第一个参数）的长度大于传入的值（第二个参数），请在这个位置截断它并在后面加上 ...，然后返回结果。
--hints--
truncateString("A-tisket a-tasket A green and yellow basket", 8) 应返回 "A-tisket..."。
assert(
truncateString('A-tisket a-tasket A green and yellow basket', 8) ===
'A-tisket...'
);
truncateString("Peter Piper picked a peck of pickled peppers", 11) 应返回 "Peter Piper..."。
assert(
truncateString('Peter Piper picked a peck of pickled peppers', 11) ===
'Peter Piper...'
);
truncateString("A-tisket a-tasket A green and yellow basket", "A-tisket a-tasket A green and yellow basket".length) 应返回 "A-tisket a-tasket A green and yellow basket"。
assert(
truncateString(
'A-tisket a-tasket A green and yellow basket',
'A-tisket a-tasket A green and yellow basket'.length
) === 'A-tisket a-tasket A green and yellow basket'
);
truncateString("A-tisket a-tasket A green and yellow basket", "A-tisket a-tasket A green and yellow basket".length + 2) 应返回 "A-tisket a-tasket A green and yellow basket"。
assert(
truncateString(
'A-tisket a-tasket A green and yellow basket',
'A-tisket a-tasket A green and yellow basket'.length + 2
) === 'A-tisket a-tasket A green and yellow basket'
);
truncateString("A-", 1) 应返回 "A..."。
assert(truncateString('A-', 1) === 'A...');
truncateString("Absolutely Longer", 2) 应返回 "Ab..."。
assert(truncateString('Absolutely Longer', 2) === 'Ab...');