Question

180

rated 0 times [ 183] [ 3] / answers: 1 / hits: 112177 / 12 Years ago, mon, september 17, 2012, 12:00:00

I am passing in a parameter called value. I'd like to know if value is a float.
So far, I have the following:

if (!isNaN(value))

{

    alert('this is a numeric value but not sure if it is a float.');

}

How do I go one step further and convert the string to something that can evaluate to a float?

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answered 12 Years ago sonja · Accepted Answer

Like this:

if (!isNaN(value) && value.toString().indexOf('.') != -1)

{

    alert('this is a numeric value and I'm sure it is a float.');

}