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21 lines
492 B
JavaScript
21 lines
492 B
JavaScript
/* exported exists, count, present, blank, containsInstance, not, visible, invisible */
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function exists(selector) {
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return count(selector) > 0;
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}
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function count(selector) {
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return find(selector).length;
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}
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function visible(selector) {
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return find(selector + ":visible").length > 0;
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}
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function invisible(selector) {
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var $items = find(selector + ":visible");
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return $items.length === 0 ||
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$items.css("opacity") === "0" ||
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$items.css("visibility") === "hidden";
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}
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