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怎么jquery$.每个工作

代码示例

27
0

N

$( "li" ).each(function( index ) {
  console.log( index + ": " + $( this ).text() );
});
21
0

N

//Array
$.each( arr, function( index, value ){
    sum += value;
});

//Object
$.each( obj, function( key, value ) {
    sum += value;
});

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