noSubstr
诊断类别:lint/nursery/noSubstr
¥Diagnostic Category: lint/nursery/noSubstr
自从:v1.8.2
¥Since: v1.8.2
来源:
¥Sources:
-
与以下相同:
unicorn/prefer-string-slice¥Same as:
unicorn/prefer-string-slice
强制使用 String.slice() 而不是 String.substr() 和 String.substring()。
¥Enforce the use of String.slice() over String.substr() and String.substring().
String.slice() 优于 String.substr() 和 String.substring(),因为它是一种更受欢迎的选项,行为更清晰,并且在数组中具有一致的对应项。
¥String.slice() is preferred over String.substr() and String.substring() because it is a more popular option with clearer behavior,
and it has a consistent counterpart in arrays.
请注意,传递参数时,String.substr、String.substring 和 String.slice 并不相同。有关详细差异,请参阅 MDN 文档:
¥Note that String.substr, String.substring and String.slice are not identical when arguments are passed.
For detailed differences, refer to the MDN documentation:
¥Examples
¥Invalid
foo.substr();code-block.js:1:5 lint/nursery/noSubstr FIXABLE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
⚠ Avoid using substr and consider using slice instead.
> 1 │ foo.substr();
│ ^^^^^^
2 │
ℹ slice is more commonly used and has a less surprising behavior.
ℹ See MDN web docs for more details.
ℹ Unsafe fix: Use .slice() instead.
1 │ - foo.substr();
1 │ + foo.slice();
2 2 │
foo.substring();code-block.js:1:5 lint/nursery/noSubstr FIXABLE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
⚠ Avoid using substring and consider using slice instead.
> 1 │ foo.substring();
│ ^^^^^^^^^
2 │
ℹ slice is more commonly used and has a less surprising behavior.
ℹ See MDN web docs for more details.
ℹ Unsafe fix: Use .slice() instead.
1 │ - foo.substring();
1 │ + foo.slice();
2 2 │
¥Valid
foo.slice(beginIndex, endIndex);¥Related links