Question

怎样使鼠标点上去 就让文本框里的初始值为空

怎样使鼠标点上去 就让文本框里的初始值为空

Answer 1

例子：<input name="strArticleKeyword" type="text" class="textarea" id="strArticleKeyword" value="请输入关键字" size="30" maxlength="50" onFocus="if (this.value==this.defaultValue) this.value='';"
onblur="if (this.value=='') this.value=this.defaultValue;">

关键： onFocus="if (this.value==this.defaultValue) this.value='';"
onblur="if (this.value=='') this.value=this.defaultValue;"

Answer 2

变量.OnFocus="";