如何在页面加载时运行一个函数? [英] How to run a function when the page is loaded?

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问题描述

我想在页面加载时运行一个函数,但我不想在< body> 标记中使用它。



我有一个运行脚本,如果我在< body> 中初始化脚本,如下所示:

function codeAddress(){
// code
}
< body onLoad =codeAddress()>

 < 

但是我想运行它而没有< body onLoad =codeAddress ()> ,我尝试了很多东西,例如这个:

  window.onload = codeAddress; 

但它不起作用。



那么如何在页面加载时运行它?

解决方案

window.onload = codeAddress; 应该工作 - 这里有一个演示和完整的代码:



 <!DOCTYPE html>< html> < HEAD> <标题>试验< /标题> < meta http-equiv =Content-Typecontent =text / html; charset = utf-8/> < script type =text / javascript>函数codeAddress(){alert('ok'); } window.onload = codeAddress; < /脚本> < /头> <身体GT; < / body>< / html>  


$ b




 <!DOCTYPE html>< html> < HEAD> <标题>试验< /标题> < meta http-equiv =Content-Typecontent =text / html; charset = utf-8/> < script type =text / javascript>函数codeAddress(){alert('ok'); }< / script> < /头> < body onload =codeAddress();> < / body>< / html>  

I want to run a function when the page is loaded, but I don’t want to use it in the <body> tag.

I have a script that runs if I initialise it in the <body>, like this:

function codeAddress() {
  // code
}

<body onLoad="codeAddress()">

But I want to run it without the <body onLoad="codeAddress()"> and I have tried a lot of things, e.g. this:

window.onload = codeAddress;

But it is not working.

So how do I run it when the page is loaded?

解决方案

window.onload = codeAddress; should work - here's a demo, and the full code:

<!DOCTYPE html>
<html>
    <head>
        <title>Test</title>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <script type="text/javascript">
        function codeAddress() {
            alert('ok');
        }
        window.onload = codeAddress;
        </script>
    </head>
    <body>
    
    </body>
</html>


<!DOCTYPE html>
<html>
    <head>
        <title>Test</title>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <script type="text/javascript">
        function codeAddress() {
            alert('ok');
        }
        
        </script>
    </head>
    <body onload="codeAddress();">
    
    </body>
</html>

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