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POcrossbrowser opacity mixin for .less
 

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    <p>I am trying to use Javascript in LESS to be compiled in phpstorm..</p> <p>I am trying to create a function based off of a cross-browser implementation of opacity found at this site : <a href="http://robertnyman.com/2010/01/11/css-background-transparency-without-affecting-child-elements-through-rgba-and-filters/" rel="noreferrer">link</a></p> <p>Specifically, I am trying to create a LESS function to recreate this piece of code:</p> <pre><code>.crossbrowseropacity { /* Fallback for web browsers that doesn't support RGBa */ background: rgb(0, 0, 0); /* RGBa with 0.6 opacity */ background: rgba(0, 0, 0, 0.6); /* For IE 5.5 - 7*/ filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#99000000, endColorstr=#99000000); /* For IE 8*/ -ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr=#99000000, endColorstr=#99000000)"; } </code></pre> <p>This is what I have in LESS to achieve it:</p> <pre><code>.crossbrowser(@color,@alpha){ @myred:red(@color); @mygreen:green(@color); @myblue:blue(@color); @ievalue:Math.floor(@alpha * 255).toString(16); background-color: @color; background-color: rgba(@myred,@mygreen,@myblue,@alpha); /* For IE 5.5 - 7*/ filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#@ievalue+@myred+@mygreen+@myblue, endColorstr=#@ievalue+@myred+@mygreen+@myblue); /* For IE 8*/ -ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr=#@ievalue+@myred+@mygreen+@myblue, endColorstr=#@ievalue+@myred+@mygreen+@myblue)"; } </code></pre> <p>It will not compile right..could someone help me with this?</p>
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    2. COIt gives a syntax error on line : 12 - where it has @ievalue:Math.floor(@alpha * 255).toString(16);
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