scroll

English [skrəʊl] American [skroʊl]

n. (Commonly used for recording official documents) paper scroll; scroll, picture scroll, scroll; scroll (decoration); table, table of contents

vt. Make it scroll; (on a computer screen) move from top to bottom (information, etc.), roll pages

vi . (like a scroll) to roll up; (like to unroll a scroll) to display text on the screen

left

英[left]  美[lɛft]

adj.Left, left; leftist

n.Left, left;[military] left wing;left wing, radical

adv.To the left; on the left

v.Leave (past tense and past participle of leave)

jquery scrollLeft() method syntax

Function: scrollLeft() method returns or sets the horizontal position of the scroll bar of the matching element. The horizontal position of a scroll bar is the number of pixels scrolled from its left side. When the scroll bar is at the far left, the position is 0.

Return the horizontal scroll bar position: Return the horizontal scroll bar position of the first matching element.

Syntax: $(selector).scrollLeft()

Set the horizontal scroll bar position: Set the horizontal scrolling of all matching elements bar position.

Syntax: $(selector).scrollLeft(position)

Parameters:

ParameterDescription
position Optional. Specifies the new position in pixels.

jquery scrollLeft() method example

<html>
<head>
<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
  $("button").click(function(){
    $("div").scrollLeft(100);
  });
});
</script>
</head>
<body>
<div style="border:1px solid black;width:100px;height:130px;overflow:auto">
The longest word in the english dictionary is: pneumonoultramicroscopicsilicovolcanoconiosis.
</div>
<button class="btn1">把滚动条的水平位置设置为 100px</button>
</body>
</html>
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