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<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title> heavy Sorting method And operation method </title>
<script type="text/javascript">
//Sorting method
function basicSort(){
var values=[0,10,2,3,12,5];
alert(values.reverse());//The reverse() method simply reverses the order of the array
alert(values.sort());//The sort() method compares strings and is not the best solution in most cases
alert(values.sort(compare));//The sort() method can take a comparison function as an argument
}
//Custom comparison functions that return an array in ascending order can also be changed by code, such as value1<Value2 return 1 and so on to get the result to be in descending order.
function compare(value1,value2){
if(value1 < value2){
return -1;
}else if(value1 > value2){
return 1;
}else{
return 0;
}
}
//The concat() method creates a new array based on all the items in the current array
function basicConcat(){
var colors=["red","blue","pink"];
var colors2=colors.concat("yellow",["black","brown"]);//red,blue,pink,yellow,black,brown
alert(colors2);
}
//The method is to create a new array based on all the items in the current array, which can take one or two arguments, interception & PI; End> STR> =start(that is, the end position is not included)
function basicSlice(){
var colors=["red","blue","pink","yello","white"];
var colors2=colors.slice(1);
var colors3=colors.slice(1,4);
alert(colors2);
alert(colors3);
}
function basicSplice(){
var colors=["red","blue","pink","yello","white"];
var removed=colors.splice(0,2);//Table deletion is the deletion of the first two items
alert(" Deleted items: "+removed+"---- Current term: "+colors)
var inserted=colors.splice(1,0,"black","gray");//Indicates that 0 item is deleted at position 1 and a new addition item is inserted
alert(" Current term: "+colors);
}
</script>
</head>
<body>
<input type="button" value=" The sorting Sort" onclick="basicSort();" />
<input type="button" value="concat" onclick="basicConcat();" />
<input type="button" value="slice" onclick="basicSlice();" />
<input type="button" value="splice" onclick="basicSplice();" />
</body>
</html>