本文介绍了一个简单的JavaScript脚本，该脚本可以从当前窗口的位置搜索中解析特定的URL参数，并对其进行解码。此方法适用于从URL中获取所需的数据并进行进一步处理。
<script>
function queryString(name) {
name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
var regexS = "[\\?&]" + name + "=([^&#]*)";
var regex = new RegExp(regexS);
var results = regex.exec(window.location.search);
if(results == null) {
return "";
}
else {
return decodeURIComponent(results[1].replace(/\+/g, " "));
}
}
function queryString(name) {
name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
var regexS = "[\\?&]" + name + "=([^&#]*)";
var regex = new RegExp(regexS);
var results = regex.exec(window.location.search);
if(results == null) {
return "";
}
else {
return decodeURIComponent(results[1].replace(/\+/g, " "));
}
}
</script>
queryString("抓取的字段");
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