Question

134

Set an Element id to a variable - JavaScript / HTML

rated 0 times [ 135] [ 1] / answers: 1 / hits: 34960 / 10 Years ago, mon, october 13, 2014, 12:00:00

I was wondering if it was possible to add an id to a variable in JavaScript.

Like This...

JavaScript:

var name = #userid;

HTML:

<input type=text id=userid />

... So I want to set a variable to the input in the HTML. I have tried using

getElementById()

I'd like it so when a userid is entered into the input, I would like to set that to a variable in JS.

Much Appreciated...

Thank You, James Noon

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answered 10 Years ago josiah · Accepted Answer

This will update a global variable called name, when the value in the textbox is changed (but only once the user has left the control, by clicking or tabbing out)...

<input type=text id=userid onchange=name=this.value; />

If you want to update the global variable at some other time (a different event) then you want this script...

var name = document.getElementById(userid).value;