In JavaScript, end means "end". The function of the end() method is to end the most recent filtering operation in the current chain and restore the matching element set to its previous state. The syntax is "element .end()".
The operating environment of this tutorial: Windows 10 system, JavaScript version 1.8.5, Dell G3 computer.
What does end mean in JavaScript
end() method ends the most recent filtering operation in the current chain and restores the set of matching elements for the previous state.
Syntax
.end()
Detailed description
Most jQuery traversal methods operate on a jQuery object instance and generate a new object that matches a different set of DOM elements. When this happens, the new set of elements should be pushed onto the stack maintained in the object. Each successful filter method call pushes a new element onto the stack. If we need the old set of elements, we can use end() to pop the new set from the stack.
The example is as follows:
<html>
<head>
<style>p { margin:10px; padding:10px; }</style>
<script type="text/javascript" src="/jquery/jquery.js"></script>
</head>
<body>
<p><span>Hello</span>, how are you?</p>
<script>$("p").find("span").end().css("border", "2px red solid");</script>
</body>
</html>Output result:
javascript learning tutorial 】
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