Appending a javascript variable to an html textarea

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时间:2020-10-25 13:44:57  来源:igfitidea点击:

Appending a javascript variable to an html textarea

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提问by Guyver

I know this has to be be doable, does anyone know how and if you can do it?

I know this has to be be doable, does anyone know how and if you can do it?

回答by u476945

or you can do it this way:

or you can do it this way:

var myVar = 'sup fresh our turn baby!';
var myTextArea = document.getElementById('myArea');
myTextArea.innerHTML += myVar;

回答by Greg

Something like this should work:

Something like this should work:

var textArea = document.getElementById("mytextarea"); // assuming there is a textarea with id = mytextarea
var textToAppend = document.createTextNode("Hello, World!");
textArea.appendChild(textToAppend);

EDIT:or, as Pointy suggested, the last two lines can be replaced by:

EDIT:or, as Pointy suggested, the last two lines can be replaced by:

textArea.value += "Hello, World!";

回答by Enrique

function appendText(str) {
var obj=document.getElementById("myTextArea")
var txt=document.createTextNode("append this text")
obj.appendChild(txt)
}

回答by Pointy

Gee whiz guys:

Gee whiz guys:

document.getElementById('whatever').value += someJavascriptString;