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Javascript, 请问一下我的同yn。 [闭门]
原标题:Javascript, Could you check my syntax please? [closed]

这个问题是由无法再复制的打字或问题引起的。 虽然类似的问题可能包括,但以不大可能帮助未来的读者的方式解决了这一问题。

Closed 9 years ago.

javascript:If(document.getElementById( troop_confirm_go ) != null){
    alert( true );
    return true;
  } else{
    alert( false );
    return false;
  }

是否对这一辛迪加有任何错误? 我试图在一页上运行,但是,它没有显示任何一种警报,即使我尝试的是不同吨位的不同的页面。 因此,我想把这页放在一页上就没有错了。 (一) 通过我的浏览器的URL酒吧进行测试,并同时对ome和 fire英进行试验,两者都产生相同的结果)

最佳回答

Java texts is case-灵敏, use if.

问题回答

这里是行之有效的。

<!DOCTYPE HTML>
<html>
    <head>
        <script>
            function btnOnclick() {
                if(document.getElementById( troop_confirm_go ) != null) {
                    alert( true );
                    return true;
                } else {
                    alert( false );
                    return false;
                }
            }
        </script>
    </head>
    <body>
        <input type="button" onclick="btnOnclick()" value="button"/>
    </body>
</html>




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