This globalEval() Method in jQuery is used to execute some JavaScript code globally.
Syntax:
jQuery.globalEval( code [, options ] )
Parameters: The globalEval() method accepts two parameter that is mentioned above and described below:
- code: This parameter is the JavaScript code to execute.
- options => nonce : This parameter is the nonce attribute passed to the executed script.
Return Value: It returns the boolean value.
Below examples illustrate the use of globalEval() method in jQuery:
Example 1: In this example, the globalEval() method executes a script in the global context.
<!DOCTYPE html> <html>
<head>
<meta charset="utf-8">
<title>JQuery | globalEval() method</title>
</head>
<body style="text-align:center;">
<h1 style="color: green">
GeeksForGeeks
</h1>
<h3>JQuery | globalEval() method</h3>
<p>Execute a script in the global context.</p>
<p id = "geeks"> </p>
<script>
function GFG() {
jQuery.globalEval( "var newVar = 'Shubham Singh'" );
document.getElementById("geeks").innerHTML = newVar;
}
GFG();
</script>
</body>
</html>
|
Output:
Example 2: In this example, the globalEval() method executes a script with a nonce value on a site with Content Security Policy enabled.
<!DOCTYPE html> <html>
<head>
<meta charset="utf-8">
<title>JQuery | globalEval() method</title>
</head>
<body style="text-align:center;">
<h1 style="color: green">
GeeksForGeeks
</h1>
<h3>JQuery | globalEval() method</h3>
<p>Execute a script with a nonce value on a<br>
site with Content Security Policy enabled.</p>
<p id = "geeks"> </p>
<script>
function GFG() {
jQuery.globalEval( "var variable = true;", {
nonce: "nonce-2726c7f26c"
} );
document.getElementById("geeks").innerHTML = variable;
}
GFG();
</script>
</body>
</html>
|
Output: