像文本框中的提示字符,鼠标点击进去就消失这样效果怎么用代码实现呢,谢谢
1个回答
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<input type='text' value='如:www.2345.com' style="color:#aaaaaa" onfocus="javascript:if
(this.value=='如:www.2345.com'){this.value='';this.style.color='#000000';}" onblur="javascript:if
(this.value==''){this.value='如:www.2345.com';this.style.color='#aaaaaa';}">
(this.value=='如:www.2345.com'){this.value='';this.style.color='#000000';}" onblur="javascript:if
(this.value==''){this.value='如:www.2345.com';this.style.color='#aaaaaa';}">
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