mobile input date html placeholder code example
Example: add custom placeholder in input type date
<input type="text" placeholder="Birth Date" onfocus="(this.type='date')" onblur="if(this.value==''){this.type='text'}">
<input type="text" placeholder="Birth Date" onfocus="(this.type='date')" onblur="if(this.value==''){this.type='text'}">