How jquery checks whether elements are hidden
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Jquery check whether the element is hidden methods: 1, the use of is () method and ": hidden" selector, syntax "element object. Is (": hidden ")"; 2, the use of is () method and ": visible" selector, syntax "element object .is (": visible ")".
The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.
Jquery checks whether the element is hidden
1. Using is () method and ": hidden" selector
$(document) .ready (function () {$("button") .click (function () {if ($("# hide"). Is (": hidden")) {console.log ("# hide element is hidden") } else {console.log ("# hide element is not hidden, it is visible") } if ($("# show") .is (": hidden") {console.log ("# show element is hidden") } else {console.log ("# show element is not hidden, it is visible");});}) # hide element-I am hidden content, you can't see me. # show element-I am the content displayed, you can see me.
Check whether the element is hidden
2. Using is () method and ": visible" selector
$(document) .ready (function () {$("button") .click (function () {if ($("# hide") .is (": visible")) {console.log ("# hide element is not hidden, is visible") } else {console.log ("# show element is hidden");});})
The running result is the same as the figure above.
Description:
Visibility filter selector:
$("div:hidden") selects all invisible elements
$("div:visible") selects all visible elements
The is () method is used to see if the selected element matches the selector.
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