Using Javascript to add HTML code to a web page
innerHTML
Extracting HTML code or text from an iframe from the parent document
var all_text = window.frames[' iframe_name'].document.body.innerHTML
Changing HTML code in a webpage
function enterHTML(passed)
{
var targt = passed; //value passed is the DIV id 'targetloc'
var initial = document.getElementById(targt) ;
initial.innerHTML = "<P>New Form <\/P> \n <FORM> <INPUT TYPE = 'button'" + " VALUE = 'Test Me'" +'onClick = "alert' + "('it works')"+ '"'+ "> <\/FORM>";
var textresult =initial.innerText;
}
Click to demonstrate the innerHTML function.
This text to be replaced by a form with a button.
Escaped Characters.
| Syntax | ___ | Character | Comment |
|---|---|---|---|
| \n | new line | Makes the resulting code more readable | |
| \r | carriage return | ||
| \' | single quote | ||
| \" | quotation marks | ||
| \/ | back slash | Used in closing an html element </p> would be <\/p> | |