How jquery modifies the z-index value
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Jquery modify z-index value method: 1, use css () method, syntax "$(selector) .css (" z-index "," value ")"; 2, use attr () method, syntax "$(selector) .attr (" style "," z-index: value ")".
The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.
In jquery, you can use the css () or attr () methods to modify the z-index value of an element.
The css () method sets one or more style properties of the selected element.
The attr () method sets the attribute value of the selected element.
Example:
Img {position: absolute; left: 0px; top: 0px; z-index:-1 } $(document) .ready (function () {$("button") .click (function () {/ / $("img") .css ("z-index") "1") $("img") .attr ("style", "z indexVone 1;");});}); This is a heading
Because the z-index of the image is-1, it appears after the text.
Change the z-index value so that the picture is in front of the text
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