Javascript javascript意外标识符
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javascript unexpected identifier
提问by Jerodev
I am trying to compress my JavaScript code to get less traffic on my site. It has been working fine, but now I came across an error I can't resolve.
我正在尝试压缩我的 JavaScript 代码以减少我网站上的流量。它一直工作正常，但现在我遇到了一个无法解决的错误。
I turned my ajax function into one line:
我把我的 ajax 函数变成了一行：
function(){if(xmlhttp.readyState==4&&xmlhttp.status==200){document.getElementById("content").innerHTML=xmlhttp.responseText;}}xmlhttp.open("GET","data/"+id+".html",true);xmlhttp.send();}
But the chrome console tells me there is an unexpected identifier on this line. Firefox says there is an semicolon missing on this line.
但是 chrome 控制台告诉我这一行有一个意外的标识符。Firefox 说这一行缺少一个分号。
I have been trying to figure out what is wrong, but I can't find the error, can someone help me with this?
我一直试图找出问题所在，但我找不到错误，有人可以帮我解决这个问题吗？
回答by pimvdb
Yes, you have a }too many. Anyway, compressing yourself tends to result in errors.
是的，你有}太多了。无论如何，压缩自己往往会导致错误。
function () {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
document.getElementById("content").innerHTML = xmlhttp.responseText;
}
} // <-- end function?
xmlhttp.open("GET", "data/" + id + ".html", true);
xmlhttp.send();
}
Use Closure Compilerinstead.
改用闭包编译器。
回答by Daniel Earwicker
I recommend using http://jsbeautifier.org/- if you paste your code snippet into it and press beautify, the error is immediately visible.
我建议使用http://jsbeautifier.org/- 如果您将代码片段粘贴到其中并按下 beautify，错误将立即可见。
回答by pilif
In such cases, you are better off re-adding the whitespace which makes the syntax error immediate apparent:
在这种情况下，最好重新添加空格，这会使语法错误立即显现：
function(){
if(xmlhttp.readyState==4&&xmlhttp.status==200){
document.getElementById("content").innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","data/"+id+".html",true);xmlhttp.send();
}
There's a } too many. Also, after the closing } of the function, you should add a ; before the xmlhttp.open()
} 太多了。此外，在函数的关闭 } 之后，您应该添加一个 ; 在 xmlhttp.open() 之前
And finally, I don't see what that anonymous function does up there. It's never executed or referenced. Are you sure you pasted the correct code?
最后，我看不到那个匿名函数在上面做了什么。它从未被执行或引用。你确定你粘贴了正确的代码？
回答by Ankur
Either remove one } from end of responseText;}}or from the end of the line
从行尾responseText;}}或行尾删除一个 }
回答by MUS
It looks like there is an extra curly bracket in the code.
看起来代码中有一个额外的大括号。
function () {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
document.getElementById("content").innerHTML = xmlhttp.responseText;
}
// extra bracket }
xmlhttp.open("GET", "data/" + id + ".html", true);
xmlhttp.send();
}
