25 rader
812 B
JavaScript
25 rader
812 B
JavaScript
function scrolltrack() {
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var i=anchors.length-1;
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var ruler=(window.innerHeight || document.documentElement.clientHeight) / 8;
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if ((window.innerHeight + window.pageYOffset) >= document.body.offsetHeight - 20) {
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document.getElementById(anchors[i]+'L').style.color='#97C3E9';
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} else {
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while (i>=0) {
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if (document.getElementById(anchors[i]).getBoundingClientRect().top<=ruler) {
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document.getElementById(anchors[i]+'L').style.color='#97C3E9';
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break;
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} else {
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document.getElementById(anchors[i]+'L').style.color='#3088D4';
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}
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i--;
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}
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}
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if (i>=0) {
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// console.log('Arrivati a: '+anchors[i]);
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document.getElementById(anchors[i]+'L').scrollIntoView({behavior: "smooth", block: "center"});
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}
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while (i>0) {
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i--;
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document.getElementById(anchors[i]+'L').style.color='#3088D4';
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}
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}
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