如何在博客里插入运行代码的功能 - V2EX
Ford

如何在博客里插入运行代码的功能

  •  
  •   Ford Sep 23, 2016 3798 views
    This topic created in 3522 days ago, the information mentioned may be changed or developed.

    就是博客里插入了一段 html 代码,如何在这段代码下面添加一个运行代码段的功能呢

    5 replies    2016-09-23 18:08:52 +08:00
    sobranie
        1
    sobranie  
       Sep 23, 2016
    使用 jslint 的插件
    codespots
        2
    codespots  
       Sep 23, 2016
    分分钟写一个出来:
    <textarea id="code" cols="40" rows="10"></textarea><br>
    <input type="button" value="运行代码" id="run">
    <script>
    window.Onload=function(){
    var run=document.getElementById('run');
    var code=document.getElementById('code');

    run.Onclick=function(){
    var win=window.open('about:blank','_blank');
    win.document.write(code.value);
    //强制从缓存区输出内容
    win.document.close();
    }
    }
    </script>
    newbieo0O
        3
    newbieo0O  
       Sep 23, 2016
    那太老土了。 接入 codepen
    bombless
        4
    bombless  
       Sep 23, 2016
    在想怎样能更安全……
    一个选择是在代码中找出所有的疑似标识符的东西,然后造出一个以这些标识符为键的对象,把代码都放在一个 with 这个对象的块里面
    要么是在 window 下找出所有的键,然后造出一个以这些键为键的对象,把代码都放在一个 with 这个对象的块里面

    感觉前一种做法最经济,当然最好是同时限制代码的长度
    bombless
        5
    bombless  
       Sep 23, 2016
    啊前一种的话要把 eval 作为特例加进去
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