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JS get picture address, height, width function

Source: Internet
Author: User
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JS get picture address, height, width function

<meta http-equiv= "Content-type" content= "text/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>


<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>

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Related Keywords:
picture of length width and height php get image width and height jquery get image width and height before upload height or width first img src width height image height and width img width height

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