<script type
="text/javascript">
function loadPage(){
var targetURL
=document
.getElementById('url').value
;
console
.log(targetURL
);
}
loadPage();
</script
>
<input type
="text" id
="url" value
="https://www.baidu.com/">
原因很简单,因为页面还没有加载完,就读取value值,无法读取 只要将js代码放到下面即可
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