Use ‘escape sequence’. Place a backslash \ before a single quote to escape a single quote function parameter in JavaScript.
<script>
alert('EyeHunt\'s Answer');
</script>Without backslash it will throw error:
Uncaught SyntaxError: missing ) after argument list
Passing a parameter to function with a single quote example
HTML example code, escape quotes/characters by prepending \ to it. A simple function to demonstrate how to work with string quotes in function and show output in console log.
<!DOCTYPE html>
<html>
<body>
<script>
var str1 = 'my string with "double quotes" and \'single quotes\'';
var str2 = "my string with 'single quotes' and \"double quotes\"";
function show(str) {
console.log(str)
}
show(str1);
show(str2)
</script>
</body>
</html>Output:
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version