j-LazyContent

jComponent 20 · jcomponent@20 component Example loaded with jComponent 20

This component shows own content when it's visible. It supports helpful features as redraw and hide.

Configuration:

height:NUMBER_IN_PIXELS" optional, a default content height. Default value: is height of the current element
init:method_or_variable" is executed when the element first time visible is (optional)
redraw:method_or_variable" is executed when the element again visible is (optional)
hide:method_or_variable" is executed when the element hidden is (optional)

Notes:

init will be executed only one time
redraw and hide will be executed more times
if the attributes contains link to variable (not methods) then as value is stored Boolean value.
important: scroll area must be document.body element

Use it with <ui-component name="lazycontent">. When the component is not loaded yet, jComponent downloads it on first use from the address in DEF.fallback (the Componentator CDN by default). Author: Peter Širka. Source: the Componentator components repository, MIT license.

example.html

<div><b>SCROLL DOWN</b></div>
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<ui-component name="lazycontent" config="init:method_init;redraw:method_redraw;hide:method_hide">
	.... default content ....
</ui-component>
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />
<ui-component name="lazycontent" config="init:method_init;redraw:method_redraw;hide:method_hide">
	.... default content ....
</ui-component>
<br /><br /><br /><br /><br /><br />
<br /><br /><br /><br /><br /><br />

<script>
	function method_init() {
		this.element.html('INIT');
		this.element.css('background-color', 'green');
	}

	function method_redraw() {
		this.element.html('REDRAW');
		this.element.css('background-color', 'blue');
	}

	function method_hide() {
		this.element.html('HIDDEN');
		this.element.css('background-color', 'red');
	}
</script>