jQuery event.data object and .data() method
We usually use the following function to bind an event handler to a jQuery object on some event: $( “button” ).on(“click”, function(event){}); The .on method actually has another form: $( […]
javascript
Simulate mouse click using jQuery
We’ve talked about simulating mouse click in C language. Today, we’ll learn how to simulate mouse click in jQuery. There seem quite a few methods to simulate a mouse click […]
javascript sleep function
I’ve been looking for the javascript sleep function for a long time. Unfortunately, although most programming languages such as C/C++, php, python, etc. have a sleep function, javascript has neither […]
JSON in javascript, python, and php
I often got confused about JSON and JSON string. JSON is the code you write in your javascript script to represent an object, so the code is called JavaScript Object […]
How to protect web page from being copied using javascript?
Some stupid websites may use javascript to disable copy/paste. You can not select the text on their website. You can not use Ctrl C to copy content from the webpage. […]
The first parameter of setTimeout in javascript
I often got confused by different usages of the setTimeout function. I do not know where I got the following usage, which is proven not the correct usage: setTimeout(“alert(‘hello world’)”,1000); […]
difference between javascript array and php array
I love php array because the array’s key can not only be number but also be string. $arr=array(“a”,”b”,”c”); $arr=[“a”,”b”,”c”]; $arr=array(“k1″=>”a”,”k2″=>”b”,”k3″=>”c”); $arr=[“k1″=>”a”,”k2″=>”b”,”k3″=>”c”]; That makes it an association array or a […]
The best way to use multiple-line string in javascript
Javascript does not allow multi -line string constant. var html=’ <div> <span> hello world</span> </div> ‘; alert(html); This will produce an error:”unterminated string literal“. To write multi-line string, you have […]
about javascript Date
The Date object looks simple. It has methods to get the date, month, year, hour,minute, second that it represents. And it has methods to set these values. But it has […]
How to add a date time picker using jQuery?
I thought the jQuery library must have supported the calendar/date time picker UI because it is such a basic and frequently used control like button or input box. But I’m […]