$(document).ready(function(){
if (jQuery) {
// jQuery is loaded
alert("Yeah!");
} else {
// jQuery is not loaded
alert("Doesn't Work");
}
});/* Answer to: "test if jquery works" */
window.onload = function() {
if (window.jQuery) {
// jQuery is loaded
console.log("jQuery has loaded!");
} else {
// jQuery is not loaded
console.log("jQuery has not loaded!");
}
}if (typeof jQuery == "undefined") {
alert("JQuery is not installed");
} else {
alert("JQuery is installed correctly!");
}window.onload = function() {
if (window.jQuery) {
// jQuery is loaded
alert("Yeah!");
} else {
// jQuery is not loaded
alert("Doesn't Work");
}
}window.onload = function() {
if (window.jQuery) {
// jQuery is loaded
alert("Yeah!");
} else {
// jQuery is not loaded
alert("Doesn't Work");
}
}
jQuery offers several ways to attach a function that will run when the DOM is ready. All of the following syntaxes are equivalent:
$( handler )
$( document ).ready( handler )
$( "document" ).ready( handler )
$( "img" ).ready( handler )
$().ready( handler )