无法在html onclick中警告变量

Question

I can not using html onclick to alert a varible here is my html ,which used php to echo

    <?php
    $blog_owner='jean'; 

    echo '<span onclick="
    var blog_owner='.$blog_owner.';
    alert(blog_owner);


    " class="comment_r_button">Reply</span>';
   ?>

I find out if I assign number to $blog_owner, It works

Answer 1

There is no need to create var to alert it try this.

echo '<span onclick="alert(' . $blog_owner . ')" class="comment_r_button">Reply</span>';