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My jQuery Ajax Call to pure Javascript

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[前端(javascript) 所属分类 前端(javascript) | 发布者 店小二05 | 时间 2018 | 作者 红领巾 ] 0人收藏点击收藏

I asked about 5 month ago about rewriting my ajax call in pure javascript. Here the original post: https://stackoverflow.com/questions/35415812/need-help-to-rewrite-my-jquery-ajax-call-to-plain-javascript

I never thought about to rewrite the script completely because it works but now i need to rewrite the whole script to plain js. I already startet. Here is the jQUery/JS mix:

var cc = document.getElementsByClassName("cart-count"); var wc = document.getElementsByClassName("wishlist-count"); var url = wp_ajax.ajax_url; var data = { action: 'get_counts' }; // JQUERY JS mixed VERSION $.ajax({ type: 'POST', url: url, data: data, success: function (data) { var counts = JSON.parse(data); console.log(data); for(var i = 0; i < cc.length; i++){ cc[i].innerText=counts["cartCount"]; } for(var i = 0; i < wc.length; i++){ wc[i].innerText=counts["wlCount"]; } } });

console says:

{"cartCount":"(1)","wlCount":"(3)"}

That's right!

But now i tried to rewrite the rest. Here the latest:

var cc = document.getElementsByClassName("cart-count"); var wc = document.getElementsByClassName("wishlist-count"); var url = wp_ajax.ajax_url; var data = { action: 'get_counts' }; var xmlhttp = new XMLHttpRequest(); xmlhttp.onreadystatechange = function () { if (xmlhttp.readyState == XMLHttpRequest.DONE) { if (xmlhttp.status == 200) { //document.getElementById("myDiv").innerHTML = xmlhttp.responseText; var counts = data console.log(data); for(var i = 0; i < cc.length; i++){ cc[i].innerText=counts["cartCount"]; } for(var i = 0; i < wc.length; i++){ wc[i].innerText=counts["wlCount"]; } console.log('done'); } else if (xmlhttp.status == 400) { console.log('There was an error 400'); } else { console.log('something else other than 200 was returned'); } } }; xmlhttp.open('POST', url, true); xmlhttp.send(data);

It does't work. The console gives me not the value, just the var:

Object {action: "get_counts"}

My question/problem: How can i get the data action values without the jQuery ajax? Please no questions like "why not jQuery?".

Thanks for all help!!! Sorry for my english.

UPDATE: I got it!

jQuery:

var data = { action: 'get_counts' };

JS:

url + '?action=get_counts'

add this

var data = JSON.parse(xmlhttp.responseText);//you have to parse result

before this

var counts = data console.log(data);

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