| isnumber(@value) |
Returns true if a value is a number, false otherwise. |
| isstring(@value) |
Returns true if a value is a string, false otherwise. |
| iscolor(@value) |
Returns true if a value is a color, false otherwise. |
| iskeyword(@value) |
Returns true if a value is a keyword, false otherwise. |
| isurl(@value) |
Returns true if a value is a url, false otherwise. |
| ispixel(@value) |
Returns true if a value is a number in pixels, false otherwise. |
| isem(@value) |
Returns true if a value is an em value, false otherwise. |
| ispercentage(@value) |
Returns true if a value is a percentage value, false otherwise. |
| isunit(@value) |
Returns true if a value is a number in specified units, false otherwise. |
| isruleset(@value) |
Returns true if a value is a ruleset, false otherwise. |
& when (iskeyword(when)) {.a {color:red;}}
& when (iskeyword("when")) {.b {color:red;}}
& when (isurl(url('/'))) {.c {color:red;}}
& when (isurl('/')) {.d {color:red;}}
& when (iskeyword(when)) {.a {color:red;}}
& when (iskeyword("when")) {.b {color:red;}}
& when (isurl(url('/'))) {.c {color:red;}}
& when (isurl('/')) {.d {color:red;}}
.a {
color: red;
}
.c {
color: red;
}