Input Text placeholder Attribute
Definition and Usage
placeholder Sets or returns the value of the placeholder attribute of the text field.
The HTML placeholder attribute specifies a short hint that describes the expected value of the text 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.
See also:
HTML Reference Manual:HTML <input> placeholder অ্যাট্রিবিউট
Example
Example 1
Change the placeholder text of the text field:
document.getElementById("myText").placeholder = "Type name here..";
Example 2
Get the placeholder text of the text field:
var x = document.getElementById("myText").placeholder;
Syntax
Return placeholder attribute:
textObject.placeholder
set placeholder attribute:
textObject.placeholder = text
属性值
| 值 | 描述 |
|---|---|
| text | 规定描述对文本字段预期值的简短提示（单词或短语）。 |
技术细节
| 返回值： | 字符串值，表示描述对文本字段预期值的简短提示。 |
|---|
浏览器支持
表中的数字注明了首个完全支持该属性的浏览器版本。
| Chrome | Edge | Firefox | Safari | Opera |
|---|---|---|---|---|
| Chrome | Edge | Firefox | Safari | Opera |
| 支持 | 10.0 | 支持 | 支持 | 支持 |
