Stack Overflow Asked by Pallab Ganguly on December 27, 2021
I wrote the following code in JavaScript for a node project, but I ran into an error while testing a module. I’m not sure what the error means. Here’s my code:
var http = require('http');
// makes an http request
var makeRequest = function(message) {
var options = {
host: 'localhost',
port = 8080,
path : '/',
method: 'POST'
}
// make request and execute function on recieveing response
var request = http.request(options, function(response) {
response.on('data', function(data) {
console.log(data);
});
});
request.write(message);
request.end();
}
module.exports = makeRequest;
When I try to run this module, it throws the following error:
$ node make_request.js
/home/pallab/Desktop/make_request.js:8
path = '/',
^^^^^^^^^^
SyntaxError: Invalid shorthand property initializer
at Object.exports.runInThisContext (vm.js:76:16)
at Module._compile (module.js:542:28)
at Object.Module._extensions..js (module.js:579:10)
at Module.load (module.js:487:32)
at tryModuleLoad (module.js:446:12)
at Function.Module._load (module.js:438:3)
at Module.runMain (module.js:604:10)
at run (bootstrap_node.js:394:7)
at startup (bootstrap_node.js:149:9)
at bootstrap_node.js:509:3
I dont quite get what this means, and what I can do to resolve this.
use : instead of using = sign for fixing the error.
Answered by Ashwani Kumar Kushwaha on December 27, 2021
Change the = to : to fix the error.
var makeRequest = function(message) {<br>
var options = {<br>
host: 'localhost',<br>
port : 8080,<br>
path : '/',<br>
method: 'POST'<br>
}
Answered by amit paswan on December 27, 2021
Use : instead of =
see the example below that gives an error
app.post('/mews', (req, res) => {
if (isValidMew(req.body)) {
// insert into db
const mew = {
name = filter.clean(req.body.name.toString()),
content = filter.clean(req.body.content.toString()),
created: new Date()
};
That gives Syntex Error: invalid shorthand proprty initializer.
Then i replace = with : that's solve this error.
app.post('/mews', (req, res) => {
if (isValidMew(req.body)) {
// insert into db
const mew = {
name: filter.clean(req.body.name.toString()),
content: filter.clean(req.body.content.toString()),
created: new Date()
};
Answered by akshay_sushir on December 27, 2021
In options object you have used "=" sign to assign value to port but we have to use ":" to assign values to properties in object when using object literal to create an object i.e."{}" ,these curly brackets. Even when you use function expression or create an object inside object you have to use ":" sign. for e.g.:
var rishabh = {
class:"final year",
roll:123,
percent: function(marks1, marks2, marks3){
total = marks1 + marks2 + marks3;
this.percentage = total/3 }
};
john.percent(85,89,95);
console.log(rishabh.percentage);
here we have to use commas "," after each property. but you can use another style to create and initialize an object.
var john = new Object():
john.father = "raja"; //1st way to assign using dot operator
john["mother"] = "rani";// 2nd way to assign using brackets and key must be string
Answered by r.jain on December 27, 2021
Because it's an object, the way to assign value to its properties is using :.
Change the = to : to fix the error.
var options = {
host: 'localhost',
port: 8080,
path: '/',
method: 'POST'
}
Answered by Diego Faria on December 27, 2021
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