How to remove double quote from a string in JavaScript

Question

I am trying to remove the double quotes inside the string but was not able to do so.

var productName = "300" Table";
console.log(productName);
var newTemp = productName.replace('"', /'/g);
console.log(newTemp);
var requestData = JSON.stringify({
        'product_name': productName,
        'page_url': newTemp
    });

var obj = JSON.parse(requestData);
console.log(obj);

It is throwing an error in the second line.

If you are trying to make a test case you need to put a \ in front of the " after 300 — Taplar
– Taplar, Commented May 17, 2018 at 16:43
Read the documentation for replace one more time, a little more carefully. Read the documentation for string literals one more time, a little more carefully. Also, why are you stringifying the object, and then immediately parsing it again? — user9315861
– user9315861, Commented May 17, 2018 at 16:43
You could split string on double quote and then join it back.. Or you could use urlEncode to encode a double quote, replace the encoded double quote, then decide the string back.. — boateng
– boateng, Commented May 17, 2018 at 16:47
var productName = "300" Table"; is a syntax error. It makes it hard to help you when we don't know for sure what your actual starting point (the actual string) is. — T.J. Crowder
– T.J. Crowder, Commented May 28, 2019 at 17:45

A l w a y s S u n n y · Accepted Answer · 2018-05-17 17:03:02Z

1

From your coding pattern I think you need something like this just escape the inner double quotes(") with a slash(\) when you assign string to productName variable. Then replace the occurrence of double quotes with nothing i.e productName.replace(/"/g, "")

Full Code: Shorten after removing unnecessary JSON.stringify() & JSON.parse()

var productName = "300\" Table";
var newTemp = productName.replace(/"/g, "");
console.log(`old productName = ${productName}, newTemp after replace " = ${newTemp}`);
var requestData = {
  'product_name': productName,
  'page_url': newTemp
};
console.log(requestData );

See Escape notation on MDN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String

edited May 17, 2018 at 17:03

answered May 17, 2018 at 16:48

A l w a y s S u n n y

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