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How to add a button inside message body in Javascript?

I have tried constructing message body like below-
i am getting object object exception and it isn't working for me if i keep inside message body-
"Dear " +
$scope.emailContactinfo.name +
", \n\nPlease find attached Invoice bearing number " +
$scope.invoiceInformation.documentNo +"Paynow\n\n" +$scope.generatedUrl +
" dated " +
moment($scope.invoiceInformation.invoiceDate).format("MM-DD-YYYY") +
". \n\nThanks and Regards,\n" +
$scope.invoiceInformation.organization$_identifier +
"." + button ;`

I suggest using this format, so the code is more readable -
const button = '<button>Button</button>';
`Dear ${$scope.emailContactinfo.name}, \n\nPlease find attached Invoice bearing number ${$scope.invoiceInformation.documentNo} Paynow\n\n ${$scope.generatedUrl} dated ${ moment($scope.invoiceInformation.invoiceDate).format("MM-DD-YYYY")}. \n\nThanks and Regards,\n ${$scope.invoiceInformation.organization$_identifier}. ${button}`

You could use html in a javascript variable like this e.g.:
var button = '<button>Button</button>';
var htmlBody = '<div>' + $scope.emailContactInfo + '</div>;
htmlBody += '<div>' + button + '</div>';

How to pass string in Javascript function dynamically

I have a javascript function like this
function doIt(link) {
alert(link);
}
And i call this function in below given JS code, where i am creating an a tag and appending it to my html page on runtime:
jQuery.each(data, function (i, val) {
var card = '<a href="Views/NewsDetail.html" onclick=" doIt(' + val.Img + '); "> \
<div class=" card"> \
<img src='+ val.Img + ' /> \
<p>'+ val.Title + '</p> \
</div> \
</a>';
document.getElementById('News').innerHTML += card;
});
Say for example our val.Img = 'abcd'
When i click the a tag it calls doIt(abcd), but i want to call doIt('abcd') passing it as string.
Is there any workaround for this.

You need to escape quotes like
var card ='<a href="Views/NewsDetail.html" onclick="doIt(\'' + val.Img + '\'); "> \
//^ ^
As per your current implementation the argument abcd is treated as variable thus you must be getting undefined

You can do this one:
var card='';

The below HTML string already used both quotes till the characters doIt(. So any string type values inside the quotes, must be escaped using any of the quote-character.
var card = '<a href="Views/NewsDetail.html" onclick=" doIt(' + val.Img + '); ">'
to [added quote escape character \"]
var card = '<a href="Views/NewsDetail.html" onclick=" doIt(\"' + val.Img + '\"); ">'

Yet another option:
var doItAndRedirect=function(val){
//do stuff with val here
window.location = "Views/NewsDetail.html";
}
jQuery.each(data, function (i, val) {
var card = '<a href="javascript:doItAndRedirect(\''+ val +'\')">'+
'<div class=" card">' +
'<img src='+ val.Img + ' />' +
'<p>'+ val.Title + '</p>' +
'</div>'+
'</a>';
document.getElementById('News').innerHTML += card;
});

It is already a string it just doesn't display '' on alert but at the background it is string only.

doIt("' + val.Img + '");
should do it, but if you have, e.g, " inside val.Img you need to quote those: How do I add slashes to a string in Javascript?

How to form variable string with HTML and corresponding quotations

I'm building a string of text using HTML and variables from a JSON file. The issue is that the quotation marks from the HTML are conflicting with the quotations from the js expression - specifically when I'm trying to build a URL from a string of a URL partial + a json variable.
Here's my code. Any help?
output += '<li><span><a>' +
jobs[i].title +
'</a></span><span>' +
jobs[i].city +
'</span><span><a href='http://user.theresumator.com/apply/'' +
jobs[i].board_code +
'><button>More Info ›</button></a></span></li>';
}
My desired outcome is something like:
<li><span><a>Social Impact Strategist (Los Angeles or New York)</a></span><span></span><span><button>More Info ›</button></span></li>

Escape your quotes with \:
output += '<li><span><a>' +
jobs[i].title +
'</a></span><span>' +
jobs[i].city +
'</span><span><a href=\'http://user.theresumator.com/apply/' +
jobs[i].board_code +
'\'><button>More Info ›</button></a></span></li>';
}
or use double quotes ":
output += '<li><span><a>' +
jobs[i].title +
'</a></span><span>' +
jobs[i].city +
'</span><span><a href="http://user.theresumator.com/apply/' +
jobs[i].board_code +
'"><button>More Info ›</button></a></span></li>';
}
The 2nd one will match your desired outcome with double quotes perfectly.

Here's the working code! I broke it out on a separate line and add double quotes by themselves contained in single quote.
output += '<li><span><a>' +
jobs[i].title +
'</a></span><span>' +
jobs[i].city +
'</span><span><a href=' +
'"http://user.theresumator.com/apply/' +
jobs[i].board_code +
'"' +
'><button>More Info ›</button></a></span></li>';
}

Passed URL string not interpret as a string

I read quite some articles and tried some approaches, but couldn't get it to work.
htmlCode += '<button id="' + addButtonId + '" title="' + addButtonTitle + '" class="button" onclick="getProductUrl(' + url + '); return false;"><span><span>' + addWithButonTitle + '</span></span></button>';
and the function itself:
getProductUrl: function(url) {
return setLocation('\'' + decodeURIComponent(url) + document.getElementById('qty_field').value + '\'');
},
Apparently, the string value of the url is not treated as a string. I get an error of missing bracket here: getProductUrl(http:^//...rest of the url. Of course the problem is not in the bracket, but in the fact that the // are treated as a start of a comment.
So the thing that I have to do is to pass this url string value CORRECTLY as a string.
I tried first decoding and then passing (because decodeURIComponent(url) should return string. Also I tried String(url) and url + "". Also somehow escaping the special characters: url.replace('/','\/') or even the /g thingy, which didn't work at all.
So, all these approaches were unsuccessful. I would really appreciate a hint or a solution here.

Try this one
onclick="getProductUrl('" + url + "');"
For your updated line of code:
htmlCode += '<button id="' + addButtonId + '" title="' + addButtonTitle + '" class="button" onclick="getProductUrl(\'' + url + '\'); return false;"><span><span>' + addWithButonTitle + '</span></span></button>';

How to Solve this "missing ) argument after list"?

This looks like a trivial question, but I am not sure how to deal with it. I have a DIV tag generated from javascript that goes like this:
$('#results')
.append('<DIV id='
+ A.pid
+ ' onmouseover=function(){google.maps.event.trigger(marker, 'mouseover');};><H3>'
+ A.name
+ '</H3></DIV>');
Firebug is giving me an error "missing ) argument after list" as it does not recognise the ) immediately after 'mouseover'. How do I resolve this?
UPDATE:
I understand this is about escaping quote, just that doing \'mouseover\' produces a syntax error upon mouseover of the DIV and doing "mouseover" produces a blank document.
The syntax error reads: function(){google.maps.event.trigger(marker,

You need to escape quote if it's inside another quote:
var x = "I don't like you!";
var y = 'I don\'t like you!';
var z = 'echo "this text?";';
To implement it on your case, it would be like this:
'<DIV id='
+ A.pid
+ ' onmouseover=function(){google.maps.event.trigger(marker, \'mouseover\');};><H3>'
+ A.name
+ '</H3></DIV>'

You issue is in the use of the ' character to delimit both the function and the arguments in your call.
Either switch one set of ' out for " or use \' around the values of the argument
$('#results')
.append('<DIV id='
+ A.pid
+ ' onmouseover=function(){google.maps.event.trigger(marker, "mouseover");};><H3>'
+ A.name
+ '</H3></DIV>');
//OR
$('#results')
.append('<DIV id='
+ A.pid
+ ' onmouseover=function(){google.maps.event.trigger(marker, \'mouseover\');};><H3>'
+ A.name
+ '</H3></DIV>');

Try to generate the following string
'<DIV id=' +
A.pid +
' onmouseover=\"google.maps.event.trigger(marker, \'mouseover\');\"> <H3>' +
A.name + '</H3></DIV>'

You need to put " around the values of your html attributes. Otherwise the browser thinks the attribute ends at the next whitespace and that is exactly right after the (marker, part.
$('#results')
.append('<DIV id="'
+ A.pid + '"'
+ ' onmouseover="function(){google.maps.event.trigger(marker, \'mouseover\');};"><H3>'
+ A.name
+ '</H3></DIV>');

Several things
Stop putting HTML in all caps. This is the 21st century not the 20th century.
You don't need an anonymous function for the onmouseover event.
Wrap attribute values in either single or double quotes (I use double below).
Read about JavaScript strings and quotes. Here is a tutorial.
Try this
$('#results').append('<div id="' +
A.pid +
'" onmouseover="google.maps.event.trigger(marker, \'mouseover\');"><h3>' +
A.name +
'</h3></div>');