jQuery UI Fold Effect

The jQuery UI fold effect hides or reveals an element in two folding stages.

This is a jQuery UI effect, so the page using it must load jQuery UI in addition to jQuery.

Syntax and Main Options Top ↑

The general form is $(selector).effect(effectName, options, duration, complete). The options available depend on the selected effect.

• size: Size of the folded section. The default is 15; a number or CSS-like string may be used.
• horizFirst: Boolean that controls whether the horizontal stage happens first while hiding. Default: false.
• duration: Animation duration in milliseconds or a named duration.
• complete: Function called after the effect finishes.

Examples Top ↑

Basic syntax

$( "#element" ).effect( "fold", { horizFirst: true, size: 40 }, 600, function () {
    // Runs after the effect finishes.
});

Default fold effect

$( "#d1" ).effect( "fold" );

Run from a button

$( "#b1" ).on( "click", function () {
    $( "#d1" ).effect( "fold" );
});

Add duration and callback

$( "#b1" ).on( "click", function () {
    $( "#d1" ).effect( "fold", 7000, function () {
        alert( "The fold effect has finished." );
    });
});

Open the Fold Effect demo →

View demo of all jQuery UI effects →

When to Use This Effect Top ↑

Use this effect when the animation itself helps explain a state change or draws attention to an element. For routine interfaces, keep motion short and purposeful so it does not distract from the content.

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Subhendu Mohapatra

Author & Instructor at plus2net

I write and maintain practical tutorials on Python, PHP, SQL, JavaScript, HTML, jQuery, and web development at plus2net. The tutorials focus on clear explanations, working examples, and code that readers can test and adapt while learning.

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