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Sass/SCSS Loops
/*
Given the following html
<nav>
<ul>
<li class="home"><a>Home</a></li>
<li class="about"><a>About</a></li>
<li class="blog"><a>Blog</a></li>
<li class="contact"><a>Contact</a></li>
</ul>
</nav>
*/
/*
Create collections with corresponding items
*/
$nav_section: home about blog contact;
$nav_widths: 80 120 100 140;
$nav_colors: red yellow blue green;
/*
Then using a loop and referencing the separate collection using nth
create an approximation of an associative array
*/
nav {
li {
$i:1; // count
$bg_position: 0; // background position count (only for BG img)
@each $section in $nav_section {
&.#{$section} a {
width: nth($nav_widths, $i) + px;
background-color: nth($nav_colors, $i);
// if using a background image
background-position: -$bg_position + px 0px;
}
// add width to position counter
$bg_position: $bg_position + nth($nav_widths, $i);
// iterate count
$i: $i+1;
}
}
}
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