$.grep()方法可以从数组中过滤出我们想要的结果
var nums='1,2,3,4,5,jquery,css,5'.split(',');
如果我们想找出其中的字符串,可以直接使用$.grep()
nums=$.grep(nums,function(num,index){
//num是数组元素的当前值
//index=当前值的下标
return isNaN(num);
});
console.log(nums);//结果:【"jquery","css"】
自动完成部件
<body>
<label for="autocomplete">选择一个编程语言:</label>
<input id="autocomplete">
<script>
var tags = [ "c++", "java", "php", "coldfusion", "javascript", "asp", "ruby" ];
$( "#autocomplete" ).autocomplete({
source: function( request, response ) {
var matcher = new RegExp( "^" + $.ui.autocomplete.escapeRegex( request.term ), "i" );
response( $.grep( tags, function( item ){
return matcher.test( item );
}) );
}
});
</script>
</body>