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fix jquery error on missing id

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Westly Wright
2018-04-28 06:39:15 -07:00
parent 1a1c308709
commit 112aa1674d
1 changed files with 13 additions and 8 deletions
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src/js/app.js
+13 -8
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@@ -227,20 +227,25 @@ const bootstrapScrollSpy = function () {
left: $el.offset().left,
};
console.log(scrollTop, $(window).height())
for (var i = 0; i <= $mainContentHeaders.length - 1; i++) {
var $mainContentHeadersEl = $(`#${$mainContentHeaders[i].id}`);
var hTop = $mainContentHeadersEl.offset().top;
if ($($mainContentHeaders[i]).attr('id')) {
var $mainContentHeadersEl = $(`#${$mainContentHeaders[i].id}`);
var hTop = $mainContentHeadersEl.offset().top;
if (hTop - scrollTop >= 0) {
if (hTop - scrollTop >= 0) {
$mainContentHeaders.each( ( i, a ) => {
$('#TableOfContents').find(`a[href$=${a.id}]`).removeClass('active');
});
$mainContentHeaders.each( ( i, a ) => {
if ($(a).attr('id')) {
$('#TableOfContents').find(`a[href$=${a.id}]`).removeClass('active');
}
});
$('#TableOfContents').find(`a[href$=${$mainContentHeaders[i].id}]`).addClass('active');
$('#TableOfContents').find(`a[href$=${$mainContentHeaders[i].id}]`).addClass('active');
break;
}
} else {
break;
}
}