Вопрос по jquery – Почему у JQuery везде есть знаки доллара?

95

Error: User Rate Limit Exceeded

$(document).ready(function () {
        $('input[type=file]').wl_File({
            url: '/Admin/PolicyInventory/UploadDocuments',
            onFileError: function (error, fileobj) {
                $.msg('file is not allowed: ' + fileobj.name, {
                    header: error.msg + ' Error ',
                    live: 10000
                });
            }
        });
...

Error: User Rate Limit Exceeded

var $ = jQuery Adam
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1

Error: User Rate Limit Exceeded

5

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3

Error: User Rate Limit ExceededError: User Rate Limit Exceeded

Error: User Rate Limit Exceeded

jQuery(document).ready(function(){});

Error: User Rate Limit Exceeded

$(document).ready(function(){});
Error: User Rate Limit Exceededgoogle.com.pk/…Error: User Rate Limit Exceeded
8

Writability and Performance


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(function (_) {
    _("#wow").click()
})(jQuery);

Error: User Rate Limit ExceededΩ

(function (Ω) {
    Ω("#wow").click()
})(jQuery);

Error: User Rate Limit ExceededjQuery


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$Error: User Rate Limit Exceeded

jQueryError: User Rate Limit Exceeded

Error: User Rate Limit Exceeded

Error: User Rate Limit Exceeded
Error: User Rate Limit Exceeded
Error: User Rate Limit Exceeded
148

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// These are the same barring your using noConflict (more below)
var divs = $("div");       // Find all divs
var divs = jQuery("div");  // Also find all divs, because
console.log($ === jQuery); // "true"

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9

$Error: User Rate Limit ExceededjQueryError: User Rate Limit ExceededjQueryError: User Rate Limit Exceeded

Error: User Rate Limit Exceeded

var yourFunction = function() {
    alert('a function');
}

window.Myf = yourFunction;

Error: User Rate Limit ExceededyourFunctionError: User Rate Limit Exceeded

Myf(); // definitely a short syntax
11

Error: User Rate Limit Exceeded

Error: User Rate Limit Exceeded

Error: User Rate Limit ExceededdoesError: User Rate Limit Exceeded

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