Input URL placeholder attribute

Definition and Usage

placeholder Sets or returns the value of the placeholder attribute of the URL field.

The HTML placeholder attribute specifies a short hint that describes the expected value of the URL field (for example, a sample value or a brief description of the expected format).

A short hint is displayed in the text field before the user enters a value.

This attribute reflects the HTML placeholder attribute.

See also:

HTML Reference Manual:HTML <input> placeholder 属性

Example

Example 1

Change the placeholder text of the URL field:

document.getElementById("myURL").placeholder = "Please enter the URL here...";

Try it yourself

Example 2

Get the placeholder text of the URL field:

var x = document.getElementById("myURL").placeholder;

Try it yourself

Syntax

Return placeholder attribute:

urlObject.placeholder

Set placeholder attribute:

urlObject.placeholder = text

属性值

描述
text 规定描述对 URL 字段预期值的简短提示(词或短语)。

技术细节

返回值: 字符串值,表示描述对 URL 字段预期值的简短提示。

浏览器支持

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
支持 10.0 支持 不支持 支持