Input Email placeholder 属性
定义和用法
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HTML placeholder 属性规定描述电子邮件字段的预期值的简短提示（例如，示例值或对预期格式的简短描述）。
Daffacewarin guramawarararar tafarararar tafarararar tafarararar tafarararar tafarararar
Daffacewarin guramawarararar
HTML 参考手册：HTML <input> placeholder attribute
实例
例子 1
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document.getElementById("myEmail").placeholder = "Your Email address";
例子 2
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var x = document.getElementById("myEmail").placeholder;
语法
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emailObject.placeholder
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emailObject.placeholder = text
Attribute value
| Value | Description |
|---|---|
| text | Specifies a brief hint (word or phrase) describing the expected value of the email field. |
Technical details
| Return value: | A string value that represents a brief hint of the expected value of the email field. |
|---|
Browser support
The numbers in the table indicate the first browser version to fully support this attribute.
| Chrome | Edge | Firefox | Safari | Opera |
|---|---|---|---|---|
| Chrome | Edge | Firefox | Safari | Opera |
| Support | 10.0 | Support | Support | Support |
