writing information from a button into a text box

hi im literally a complete amateur at the but i was wondering how to write the information from a button e.g. A into a text box. I know it involves an onclick command but i just can figure it out. any help would be greatly appreciated below is what i already have:

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 <html>

<head>

<title>Page Title</title>

</head>

<body>

<h1>Table</h1>

<form>

    <table border="1">

 <tr>
 
      <td><input type='button' value='A' /></td>

     <td><input type='button' value='B' /></td>

</tr>

 </table>
 
 <input type="text" name="searchbox" size=15>

 <div style="position:absolute; left:150px; top 150px;"></div>
 
</form>

<hr />

</body>

</html>

Dec 7 '09 #1

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1978

Dormilich

8,658

Expert Mod 8TB

the procedure is quite simple:
write a function, where the value of the button is written to the target element’s value.
pass function to event handler

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 // put an id to the elements, so that you can access them easily
 
// write value to target

// "this" will later refer to the button

function passValue()

{

    document.getElementById("target_input").value = this.value;

}
 
// register events (Button A, Button B)

document.getElementById("btnA").addEventListener("click", passValue, false);

document.getElementById("btnB").addEventListener("click", passValue, false);

// IE’s poor event handling requires a workaround, so google for the addEvent() crossbrowser solution

Dec 7 '09 #2

DMsy2

A simpler way could be

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 <input type='button' value='A'  onclick="this.form.searchbox.value=this.value;" />
 

Dec 8 '09 #3

Dormilich

8,658

Expert Mod 8TB

"simple" is a matter of preference. suppose you want to change the target element…

Dec 8 '09 #4

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