welsonjs/node_modules/modernizr/feature-detects/css/calc.js

31 lines
618 B
JavaScript

/*!
{
"name": "CSS Calc",
"property": "csscalc",
"caniuse": "calc",
"tags": ["css"],
"builderAliases": ["css_calc"],
"authors": ["@calvein"]
}
!*/
/* DOC
Method of allowing calculated values for length units. For example:
```css
//lem {
width: calc(100% - 3em);
}
```
*/
define(['Modernizr', 'createElement', 'prefixes'], function(Modernizr, createElement, prefixes) {
Modernizr.addTest('csscalc', function() {
var prop = 'width:';
var value = 'calc(10px);';
var el = createElement('a');
el.style.cssText = prop + prefixes.join(value + prop);
return !!el.style.length;
});
});