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JS gets url parameters and sends json format POST steps detailed explanation
JS gets url parameters and sends json format POST steps detailed explanation
This time I will bring you a detailed explanation of the steps for JS to obtain url parameters and send POST in json format. What are the precautions for JS to obtain url parameters and send POST in json format? The following is a practical case. Let’s take a look. one time.
<script type="text/javascript">
1. Get all parameter values of url
function US() {
var name, value;
var str = location.href;
var num = str.indexOf("?");
str = str.substr(num + 1);
var arr = str.split("&");
for (var i = 0; i < arr.length; i++) {
num = arr[i].indexOf("=");
if (num > 0) {
name = arr[i].substring(0, num);
value = arr[i].substr(num + 1);
this[name] = value;
}
}
}2. Use JS to send JSON format POST request
var us = new US();
var xhr = new XMLHttpRequest();
xhr.open("POST", "/searchguard/api/v1/auth/login", true);
xhr.setRequestHeader("Content-type", "application/json");
xhr.setRequestHeader("kbn-version", "5.3.0");
xhr.onreadystatechange = function() {
if (xhr.readyState == 4) {
if (xhr.status == 200) {
window.location.href = us.nextUrl;
}
}
};
xhr.send(JSON.stringify({
"username" : us.u,
"password" : us.p
}));
</script>How vue axios implements the request interception function
Detailed explanation of the case of vue implementing the all-select and inverse-selection function
The above is the detailed content of JS gets url parameters and sends json format POST steps detailed explanation. For more information, please follow other related articles on the PHP Chinese website!
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