Onblur/onfocus不在裏面工作php

Question

我想添加onfocus/onblur事件到一個窗體，但不知何故我沒有得到它的工作。我認爲這與逃避報價有關，但我嘗試了幾種方法，但都沒有成功。我的代碼是這樣的：在你的onblur串

echo '<input type="password" id="'.$field->name.'" name="'.$field->name.'" size="30" class="inputbox" placeholder="'.$field->title.'" 
       onfocus="this.placeholder = ''" onblur="this.placeholder = '.$field->title.'" 
       />'."\n"; 
       break; 

Answer 1

你缺少報價：

<?php 
echo '<input type="password" id="' . $field->name . '" name="' . $field->name . '" size="30" class="inputbox" placeholder="' . $field->title . '" onfocus="this.placeholder = ''" onblur="this.placeholder = \'' . $field->title . '\'" />'."\n";