2022.1

Table Of Contents

prepend()

Insert contentat the beginningof one or more HTML elements, which can be:

l The elements that match the selector of a script (see "results" on page958).

l One element that matches the selector of a script that runs for "Each matched element"

(see "this" on page877 and "Setting the scope of a script" on page395).

l The elements returned by a query in the template (see "query()" on page831).

See also: "append()" on page886.

prepend(content)

Insert contentas the first element toeach element in the set of HTML elements that match the

selector of the script or of another query in the template (see "query()" on page831).Append

creates a new result set.

content

HTML string, string or HTML string to insert after the matched elements. In case a plain text

string is provided, it is automatically wrapped in a <span> element to avoid orphan text nodes

to appear in the <body> element.

Examples

This script inserts a heading as the first element in an element that has the ID #box.

results.prepend("<h1>Personal information</h1>");

Selector Matched element Matched element after script execution

#box <div id="box">

<p>Peter Parker</p>

</div>

<div id="box">

<h1>Personal information</h1>

<p>PeterParker</p>

</div>

This script inserts a heading as the first element in an element that has the class name.

results.prepend("<b>Name: </b>");

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