2021-7-22 前端達人
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$( "input:checkbox:checked" ).val()
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$( "input:[type='checkbox']:checked" ).val();
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$( "input:[name='ck']:checked" ).val();
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$( 'input:checkbox' ).each( function () {
if ($( this ).attr( 'checked' ) == true ) {
alert($( this ).val());
}
});
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$( 'input:checkbox:first' ).attr( "checked" , 'checked' );
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$( 'input:checkbox' ).eq(0).attr( "checked" , 'true' );
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$( 'input:radio:last' ).attr( 'checked' , 'checked' );
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$( 'input:radio:last' ).attr( 'checked' , 'true' );
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$( 'input:checkbox).eq(索引值).attr(' checked ', ' true ');
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$( 'input:radio' ).slice(1,2).attr( 'checked' , 'true' );
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$( 'input:radio' ).slice(0,2).attr( 'checked' , 'true' );
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$( "input:checkbox[value='1']" ).attr( 'checked' , 'true' );
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$( "input:checkbox[value='1']" ).remove();
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$( "input:checkbox" ).eq(索引值).remove();
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$( "input:checkbox" ).eq(2).remove();
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$( 'input:checkbox' ).each( function (index, domEle) {
//寫入代碼
});
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$( 'input:checkbox' ).each( function () {
$( this ).attr( 'checked' , true );
});
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$( 'input:checkbox' ).each( function () {
$( this ).attr( 'checked' , false );
});
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< input type = "checkbox" name = "myBox" id = "chkOne" value = "1" checked = "checked" />
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$( "#chkOne" ).click( function (){});
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< input type = "checkbox" name = "myBox" class = "chkTwo" value = "1" checked = "checked" />
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$( ".chkTwo" ).click( function (){});
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< input type = "checkbox" name = "someBox" value = "1" checked = "checked" />
< input type = "checkbox" name = "someBox" value = "2" />
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$( "input[name='someBox']" ).click( function (){});
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< input type = "checkbox" name = "box" value = "0" checked = "checked" />
< input type = "checkbox" name = "box" value = "1" />
< input type = "checkbox" name = "box" value = "2" />
< input type = "checkbox" name = "box" value = "3" />
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$( "input[name='box']" ).each( function (){});
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$( "input[name='box']" ).attr( "checked" , "checked" );
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$( "input[name='box'][checked]" ).each( function (){
if ( true == $( this ).attr( "checked" )) {
alert( $( this ).attr( 'value' ) );
}
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$( "input[name='box']：checked" ).each( function (){
if ( true == $( this ).attr( "checked" )) {
alert( $( this ).attr( 'value' ) );
}
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$( "input[name='box']" ).each( function (){
if ($( this ).attr( 'checked' ) == false ) {
alert($( this ).val());
}
});
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$( this ).attr( "value" ,值);
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文章來源：csdn
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