Welcome to this JavaScript course.
JavaScript is ubiquitous on the World Wide Web. You can use JavaScript to make your Web pages more interactive, so that they react to a viewer's actions, and to give your Web pages some special visual effects.
JavaScript allows you to add additional features that a static HTML page can't provide without some script code.
The JavaScript lessons of this course are free and a good start for beginners, they offer the necessary elements to learn the JavaScript programming language and working with JS code.
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h2 { color: #cbdafb; }
var str = "Web courses - http://CoursesWeb.net/"; if(str.indexOf("http://") == -1) alert("http:// isn`t in string"); else alert("http:// is in string");
$str = "apple,banana,melon,pear"; $arr = explode(",", $str); var_export($arr); // array (0=>"apple", 1=>"banana", 2=>"melon", 3=>"pear")