Dynamically display the number of words that can be entered.

The code copy is as follows:

<input name="title" type="text" size="50" value="{$p.title}" maxlength="15" onkeyup="javascript:setShowLength(this, 15, 'cost_tpl _title_length');"> <span id="cost_tpl_title_length">You can also enter 15 words</span>

js:

The code copy is as follows:

function setShowLength(obj, maxlength, id)

{

var rem = maxlength - obj.value.length;

var wid = id;

if (rem < 0){

rem = 0;

}

document.getElementById(wid).innerHTML = "You can also enter" + rem + "word count";

}