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CharithJ
CharithJ

Reputation: 47530

Set HTML textbox value from Javascript function return value

I've two separate HTML file and .js file. I have a calculate method which return the result in the Javascript file.

My question is how to set a textbox value from a Javascript return value. Or at least from a separate Javascript file. Initially I tried below which doesn't work as Javascript and html are separated.

function Calculate(ch) 
{
    //...
    document.getElementById('Input').value = resultValue;
}

Upvotes: 2

Views: 24698

Answers (3)

CharithJ
CharithJ

Reputation: 47530

eval is the soution for my problem. Input.value = eval(Calculate(ch))

Upvotes: 1

ithcy
ithcy

Reputation: 5589

Access textarea contents using the innerHTML property, not the value property.

function Calculate(ch)  {
    //...
    document.getElementById('Input').innerHTML = resultValue;
}

Upvotes: 0

Felix Geenen
Felix Geenen

Reputation: 2707

try to define the js-file in the bottom of your html-file (near the </body>). if you defined it above the targeted element its unknown. this may help.

felix

Upvotes: 0

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