• Available since: v1.0
• Changed in: v1.2
• Type: option
• Data type: Integer
• Default value: null

Index of a slide which is active by default. All slides are deactivated if no value is set. Slides are numbered from 0. First slide equals 0, second slide equals 1, etc. Plugin internally uses jQuery method eq so it's possible to set -1 to activate the last slide.

Example:

$('.accordion').jAccordion({
	defaultActiveSlideIdx : 1
});

Demo 1 demonstrates how to use the described option to make the second slide open by default. Horizontal accordion is used.

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Demo 2 demonstrates how to use the described option to make the fourth slide open by default. Vertical accordion is used.

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