[英]to do the functionality of jquery `success` function by pure js?
$.ajax({
success: function (returns) {
if (returns)
alert("returned successfully");
}
});
how can I turn this jquery function to pure js?I'm new in js by the way!我怎样才能把这个 jquery function 变成纯 js?顺便说一句,我是 js 新手!
On your XMLHttpRequest object add a listener on onreadystatechange
:在您的XMLHttpRequest object 上添加一个监听器onreadystatechange
:
xhr.onreadystatechange = function() {
if (xhr.readyState == 4 && (xhr.status == 200 || xhr.status == 0)) {
option.success(xhr.responseText)
}
}
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