70 lines
1.4 KiB
Markdown
70 lines
1.4 KiB
Markdown
---
|
|
title: JavaScript Version of Jquerygetjson
|
|
localeTitle: Jquerygetjson的JavaScript版本
|
|
---
|
|
如果你想使用只有vanilla JavaScript的json文件。
|
|
|
|
## IE8 +
|
|
```
|
|
var request = new XMLHttpRequest();
|
|
request.open('GET', '/my/url', true);
|
|
|
|
request.onreadystatechange = function() {
|
|
if (this.readyState === 4) {
|
|
if (this.status >= 200 && this.status < 400) {
|
|
// Success!
|
|
var data = JSON.parse(this.responseText);
|
|
} else {
|
|
// Error :(
|
|
}
|
|
}
|
|
};
|
|
|
|
request.send();
|
|
request = null;
|
|
```
|
|
|
|
## IE9 +
|
|
```
|
|
var request = new XMLHttpRequest();
|
|
request.open('GET', '/my/url', true);
|
|
|
|
request.onload = function() {
|
|
if (request.status >= 200 && request.status < 400) {
|
|
// Success!
|
|
var data = JSON.parse(request.responseText);
|
|
} else {
|
|
// We reached our target server, but it returned an error
|
|
|
|
}
|
|
};
|
|
|
|
request.onerror = function() {
|
|
// There was a connection error of some sort
|
|
};
|
|
|
|
request.send();
|
|
```
|
|
|
|
## IE10 +
|
|
```
|
|
var request = new XMLHttpRequest();
|
|
request.open('GET', '/my/url', true);
|
|
|
|
request.onload = function() {
|
|
if (this.status >= 200 && this.status < 400) {
|
|
// Success!
|
|
var data = JSON.parse(this.response);
|
|
} else {
|
|
// We reached our target server, but it returned an error
|
|
|
|
}
|
|
};
|
|
|
|
request.onerror = function() {
|
|
// There was a connection error of some sort
|
|
};
|
|
|
|
request.send();
|
|
|
|
``` |