change input placeholder javascript code example

Example 1: placeholder css

::-webkit-input-placeholder {color: pink;} /* Chrome/Opera/Safari */
::-moz-placeholder { color: pink;} /* Firefox 19+ */
:-ms-input-placeholder { color: pink;} /* IE 10+ */
:-moz-placeholder {color: pink;}  /* Firefox 18- */

Example 2: set placeholder javascript

document.querySelector('.gfield_list_cell.gfield_list_72_cell3 input').setAttribute('placeholder','$');