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How do you get the length of a string?

... HTML <div class="selector">Text mates</div> SCRIPT alert(jQuery('.selector').text().length); RESULT 10 share | improve this answer | follow ...
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How can I check if a var is a string in JavaScript?

...nce of a member that only strings have? For example: if(myVar.toUpperCase) alert('I am a string');? See: jsfiddle.net/tb3t4nsx – ingredient_15939 Mar 31 '15 at 15:39 ...
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var functionName = function() {} vs function functionName() {}

... FunctionDeclaration's will be available since that moment, for example: alert(typeof foo); // 'function', it's already available alert(typeof bar); // 'undefined' function foo () {} var bar = function () {}; alert(typeof bar); // 'function' The assignment of the bar FunctionExpression takes...
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MongoDB仿关系型数据库Group聚合例子 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...,max仿关系型数据库例子,通过BsonJavaScript脚本实现。相当的SQL:select * from GroupDemo a right join (select userName,max(date) maxdate from GroupDemo group by userName) b on a date=b maxdate namespace MongoGroupDemo { class Program { private static string Mo...
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Understanding the difference between Object.create() and new SomeFunction()

... whereas Object.create will not execute code such as function Foo() { alert("This constructor does not run with Object.create"); } Note that if you use the two-parameter version of Object.create() then you can do much more powerful things. ...
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Testing if a checkbox is checked with jQuery

...es' : 'ans if no' ; Example: var myMath = ( 1 > 2 ) ? 'yes' : 'no' ; alert( myMath ); Alerts 'no' If this is helpful, please upvote Stefan Brinkmann's answer. share | improve this answer ...
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Why use strict and warnings?

... @Jean if you are writing a simple script you really don't want to get alerted by warnings about file handler names or for not declaring the variable before using them :-) – user2676847 Aug 17 '14 at 8:51 ...
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How to Use slideDown (or show) function on a table row?

...down', 500); //slide speed $('#row_id').slideRow('down', 500, function() { alert('Row available'); }); // slide speed and callback function $('#row_id').slideRow('down', 500, 'linear', function() { alert('Row available'); }); slide speed, easing option and callback function $('#row_id').slideRow('do...
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jQuery - get a list of values of an attribute from elements of a class

...).attr('level'), 10); if (num > max) { max = num; } }); alert(max); }); </script> I'm assuming markup like this: <div class="object" level="1">placeholder</div> <div class="object" level="10">placeholder</div> <div class="object" level="20">p...
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How to get the response of XMLHttpRequest?

...ge = function() { if (xhr.readyState == XMLHttpRequest.DONE) { alert(xhr.responseText); } } xhr.open('GET', 'http://example.com', true); xhr.send(null); For better crossbrowser compatibility, not only with IE6/7, but also to cover some browser-specific memory leaks or bugs, and als...