How to decode URI string using javascript?

Question

So I'm trying to decode this string %21%22%23%C2%A4%25%26%2F to !"#¤%&/ inside my confirm so it doesn't say the encoded string in the confirm, but the actual string. But how can I do this?

I tried something like this, but it doesn't work.

...
if(confirm('Are you sure you want to removed the JQL: ' + decodeStr(encoded_string_value))){
...
}

function decodeStr(strVal) {
    var decodeStr = '';
    if(strVal && typeof strVal === 'string') {
        // strip script/html tags
        decodeStr = strVal.replace(/<script[^>]*>([\S\s]*?)<\/script>/gmi, '');
        decodeStr = decodeStr.replace(/<\/?\w(?:[^"'>]|"[^"]*"|'[^']*')*>/gmi, '');
        return decodeStr;
    }
}

Is there another way of doing this?

What is your actual string? or encoded string? Sample will help — Hardik Shah
– Hardik Shah, Commented May 23, 2022 at 6:28

Alexander · Accepted Answer · 2022-05-23 06:30:37Z

2

Did you try?

decodeURI(strVal)

or

decodeURIComponent(strVal)

edited May 23, 2022 at 6:30

answered May 23, 2022 at 6:26

Alexander

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3 Comments

Carsten Massmann Over a year ago

You will need to use decodeURIComponent("%21%22%23%C2%A4%25%26%2F") // '!"#¤%&/'to get the wanted result.

Alexander Over a year ago

@CarstenMassmann Good call

Mads Sander Høgstrup Over a year ago

Thanks! had only tried decodeURI... decodeURIComponent works!

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