jquery map method usage example_jquery

jQuery.map( array, callback(elementOfArray, indexInArray) )

Returns: Array

I feel that jquery’s map method is very easy to use, so I would like to share it with you.

Method function: Replace an array or a single object with new content.
Application example: Get a set of checkbox values, separated by English commas, and spliced ​​together.

Copy code The code is as follows:

< head>

< script>
$(function(){
$("input").click(function(){
var str = $(":checked").map(function(){
return this.value;
}).get().join(",")
$("span").html(str);
})
})
< ;/script>


a
b
c


Result display:

I really can’t compliment CSDN’s code editing. I created the above example in jsFiddle, with the link: http:/ /jsfiddle.net/dV8eh/.