- <input name="textfield" type="text" maxlength="20" value="请输入文字.."
- onfocus="if (value ==\'请输入文字..\'){value =\'\'}"
- onblur="if (value ==\'\'){value=\'请输入文字..\'}" />
- <br><br>
- textarea:
- <textarea cols="50" rows="5" id="textarea" onfocus="if(value==\'限100字\'){value=\'\'}"
- onblur="if (value ==\'\'){value=\'限100字\'}">限100字</textarea>
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