JS get picture address, height, width function

Source: Internet
Author: User
Keywords Web page production Ajax javascript
Tags address ajax content function get html http javascript

JS get picture address, height, width function

<html xmlns= "http://www.jzread.com/1999/xhtml" >
<head>
<meta http-equiv= "Content-type" content= "HTML; charset=gb2312 "/>
<title>js get picture address, height, width function </title>
<script>
var width = ';
var height = ';

Re =/src= (["]?) ([ss]*?) (1)/I;
var matches = re.exec (attributes);
if (matches!= null) {
var src = matches[2];
else {
Return ";
}

Re =/widths?:s? (d{1,4}) (px)/ig;
var matches = re.exec (attributes);
if (matches!= null) {
width = matches[1];
}

Re =/heights?:s? (d{1,4}) (px)/ig;
var matches = re.exec (attributes);
if (matches!= null) {
Height = matches[1];
}

if (!width | |!height) {
Re =/width= (["]?) (d+) (1)/I;
var matches = re.exec (attributes);
if (matches!= null) {
width = matches[2];
}

Re =/height= (["]?) (d+) (1)/I;
var matches = re.exec (attributes);
if (matches!= null) {
Height = matches[2];
}
}
</script>


</head>

<body>
This section of JS get picture address, height, width function is a show with regular expression to get the picture inside the given string all parameters, there are high width and so on.
</body>
</html>

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