40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
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/**
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* Return true, if the value is a valid date, also making this formal check dd/mm/yyyy.
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*
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* @example $.validator.methods.date("01/01/1900")
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* @result true
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*
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* @example $.validator.methods.date("01/13/1990")
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* @result false
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*
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* @example $.validator.methods.date("01.01.1900")
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* @result false
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*
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* @example <input name="pippo" class="{dateITA:true}" />
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* @desc Declares an optional input element whose value must be a valid date.
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*
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* @name $.validator.methods.dateITA
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* @type Boolean
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* @cat Plugins/Validate/Methods
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*/
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$.validator.addMethod( "dateITA", function( value, element ) {
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var check = false,
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re = /^\d{1,2}\/\d{1,2}\/\d{4}$/,
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adata, gg, mm, aaaa, xdata;
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if ( re.test( value ) ) {
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adata = value.split( "/" );
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gg = parseInt( adata[ 0 ], 10 );
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mm = parseInt( adata[ 1 ], 10 );
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aaaa = parseInt( adata[ 2 ], 10 );
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xdata = new Date( Date.UTC( aaaa, mm - 1, gg, 12, 0, 0, 0 ) );
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if ( ( xdata.getUTCFullYear() === aaaa ) && ( xdata.getUTCMonth() === mm - 1 ) && ( xdata.getUTCDate() === gg ) ) {
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check = true;
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} else {
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check = false;
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}
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} else {
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check = false;
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}
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return this.optional( element ) || check;
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}, $.validator.messages.date );
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