Using vanilla Javascript to change the colour of a Id in a SVG file once scrolled past a certain point
As the title says I have a object in my HTML which is the SVG
<object data="images/parallax_2/buildings_1.2.svg" type="image/svg+xml" id="building_1">
That SVG is of a building I made in illustrator. As I scroll down the page I want certain windows of that building to change colour as if someone inside were turning a light on.
Within the SVG file these are the windows I want to change:
<g>
<polygon id="WINDOW_x5F_1" class="st107" points="583.3,1114.5 583.4,1047.9 607.4,1052 607.3,1118.7 "/>
<polygon class="st107" points="628.1,1122.3 628.2,1055.7 652.2,1059.8 652.1,1126.5 "/>
<polygon class="st107" points="672.9,1130.1 673,1063.4 697,1067.6 696.9,1134.2 "/>
<polygon class="st107" points="717.6,1137.8 717.7,1071.1 741.8,1075.3 741.6,1142 "/>
<polygon class="st107" points="762.4,1145.6 762.5,1078.9 786.5,1083.1 786.4,1149.7 "/>
<polygon class="st107" points="807.2,1153.4 807.3,1086.7 831.3,1090.9 831.2,1157.5 "/>
<polygon class="st107" points="851.9,1161.1 852.1,1094.5 876.1,1098.7 876,1165.3 "/>
<polygon class="st107" points="896.7,1168.9 896.8,1102.2 920.9,1106.4 920.7,1173.1 "/>
<polygon class="st107" points="941.5,1176.6 941.6,1110 965.6,1114.2 965.5,1180.8 "/>
</g>
As you can see I changed the ID of one of them so I can then target it with my Javascript on my index.html page:
window.onscroll = function changeClass(){
var scrollPosY = window.pageYOffset | document.body.scrollTop;
// Get the Object by ID
var a = document.getElementById("building_1");
// Get the SVG document inside the Object tag
var svgDoc = a.contentDocument;
// Get one of the SVG items by ID;
var svgItem = svgDoc.getElementsByClassName('st107');
// Set the class to something else
if(scrollPosY > 100) {
svgItem.className = ('st1071');
} else if(scrollPosY <= 100) {
svgItem.className = ('st1071');
}
}
Unfortunately this isn't working for me. I'm not getting any errors from this, just nothing is happening.
I was wondering if any of you would know how to succeed at this?
Any responses would be massively appreciated!!
Many, many thanks,
Adam
javascript svg
asked Nov 13 '18 at 15:55
MadamotMadamot
82
add a comment |
As the title says I have a object in my HTML which is the SVG
<object data="images/parallax_2/buildings_1.2.svg" type="image/svg+xml" id="building_1">
That SVG is of a building I made in illustrator. As I scroll down the page I want certain windows of that building to change colour as if someone inside were turning a light on.
Within the SVG file these are the windows I want to change:
<g>
<polygon id="WINDOW_x5F_1" class="st107" points="583.3,1114.5 583.4,1047.9 607.4,1052 607.3,1118.7 "/>
<polygon class="st107" points="628.1,1122.3 628.2,1055.7 652.2,1059.8 652.1,1126.5 "/>
<polygon class="st107" points="672.9,1130.1 673,1063.4 697,1067.6 696.9,1134.2 "/>
<polygon class="st107" points="717.6,1137.8 717.7,1071.1 741.8,1075.3 741.6,1142 "/>
<polygon class="st107" points="762.4,1145.6 762.5,1078.9 786.5,1083.1 786.4,1149.7 "/>
<polygon class="st107" points="807.2,1153.4 807.3,1086.7 831.3,1090.9 831.2,1157.5 "/>
<polygon class="st107" points="851.9,1161.1 852.1,1094.5 876.1,1098.7 876,1165.3 "/>
<polygon class="st107" points="896.7,1168.9 896.8,1102.2 920.9,1106.4 920.7,1173.1 "/>
<polygon class="st107" points="941.5,1176.6 941.6,1110 965.6,1114.2 965.5,1180.8 "/>
</g>
As you can see I changed the ID of one of them so I can then target it with my Javascript on my index.html page:
window.onscroll = function changeClass(){
var scrollPosY = window.pageYOffset | document.body.scrollTop;
// Get the Object by ID
var a = document.getElementById("building_1");
// Get the SVG document inside the Object tag
var svgDoc = a.contentDocument;
// Get one of the SVG items by ID;
var svgItem = svgDoc.getElementsByClassName('st107');
// Set the class to something else
if(scrollPosY > 100) {
svgItem.className = ('st1071');
} else if(scrollPosY <= 100) {
svgItem.className = ('st1071');
}
}
Unfortunately this isn't working for me. I'm not getting any errors from this, just nothing is happening.
I was wondering if any of you would know how to succeed at this?
Any responses would be massively appreciated!!
Many, many thanks,
Adam
javascript svg
asked Nov 13 '18 at 15:55
MadamotMadamot
82
Can you share the working code? Like building SVG and complete html/JS/CSS code! That would be helpful
– Nimit Shah
Nov 13 '18 at 17:44
1
Do you have to use it as an object? Why don't you use it as an inline SVG?
– enxaneta
Nov 13 '18 at 19:34
add a comment |
As the title says I have a object in my HTML which is the SVG
<object data="images/parallax_2/buildings_1.2.svg" type="image/svg+xml" id="building_1">
That SVG is of a building I made in illustrator. As I scroll down the page I want certain windows of that building to change colour as if someone inside were turning a light on.
Within the SVG file these are the windows I want to change:
<g>
<polygon id="WINDOW_x5F_1" class="st107" points="583.3,1114.5 583.4,1047.9 607.4,1052 607.3,1118.7 "/>
<polygon class="st107" points="628.1,1122.3 628.2,1055.7 652.2,1059.8 652.1,1126.5 "/>
<polygon class="st107" points="672.9,1130.1 673,1063.4 697,1067.6 696.9,1134.2 "/>
<polygon class="st107" points="717.6,1137.8 717.7,1071.1 741.8,1075.3 741.6,1142 "/>
<polygon class="st107" points="762.4,1145.6 762.5,1078.9 786.5,1083.1 786.4,1149.7 "/>
<polygon class="st107" points="807.2,1153.4 807.3,1086.7 831.3,1090.9 831.2,1157.5 "/>
<polygon class="st107" points="851.9,1161.1 852.1,1094.5 876.1,1098.7 876,1165.3 "/>
<polygon class="st107" points="896.7,1168.9 896.8,1102.2 920.9,1106.4 920.7,1173.1 "/>
<polygon class="st107" points="941.5,1176.6 941.6,1110 965.6,1114.2 965.5,1180.8 "/>
</g>
As you can see I changed the ID of one of them so I can then target it with my Javascript on my index.html page:
window.onscroll = function changeClass(){
var scrollPosY = window.pageYOffset | document.body.scrollTop;
// Get the Object by ID
var a = document.getElementById("building_1");
// Get the SVG document inside the Object tag
var svgDoc = a.contentDocument;
// Get one of the SVG items by ID;
var svgItem = svgDoc.getElementsByClassName('st107');
// Set the class to something else
if(scrollPosY > 100) {
svgItem.className = ('st1071');
} else if(scrollPosY <= 100) {
svgItem.className = ('st1071');
}
}
Unfortunately this isn't working for me. I'm not getting any errors from this, just nothing is happening.
I was wondering if any of you would know how to succeed at this?
Any responses would be massively appreciated!!
Many, many thanks,
Adam
javascript svg
asked Nov 13 '18 at 15:55
MadamotMadamot
82
As the title says I have a object in my HTML which is the SVG
<object data="images/parallax_2/buildings_1.2.svg" type="image/svg+xml" id="building_1">
That SVG is of a building I made in illustrator. As I scroll down the page I want certain windows of that building to change colour as if someone inside were turning a light on.
Within the SVG file these are the windows I want to change:
<g>
<polygon id="WINDOW_x5F_1" class="st107" points="583.3,1114.5 583.4,1047.9 607.4,1052 607.3,1118.7 "/>
<polygon class="st107" points="628.1,1122.3 628.2,1055.7 652.2,1059.8 652.1,1126.5 "/>
<polygon class="st107" points="672.9,1130.1 673,1063.4 697,1067.6 696.9,1134.2 "/>
<polygon class="st107" points="717.6,1137.8 717.7,1071.1 741.8,1075.3 741.6,1142 "/>
<polygon class="st107" points="762.4,1145.6 762.5,1078.9 786.5,1083.1 786.4,1149.7 "/>
<polygon class="st107" points="807.2,1153.4 807.3,1086.7 831.3,1090.9 831.2,1157.5 "/>
<polygon class="st107" points="851.9,1161.1 852.1,1094.5 876.1,1098.7 876,1165.3 "/>
<polygon class="st107" points="896.7,1168.9 896.8,1102.2 920.9,1106.4 920.7,1173.1 "/>
<polygon class="st107" points="941.5,1176.6 941.6,1110 965.6,1114.2 965.5,1180.8 "/>
</g>
As you can see I changed the ID of one of them so I can then target it with my Javascript on my index.html page:
window.onscroll = function changeClass(){
var scrollPosY = window.pageYOffset | document.body.scrollTop;
// Get the Object by ID
var a = document.getElementById("building_1");
// Get the SVG document inside the Object tag
var svgDoc = a.contentDocument;
// Get one of the SVG items by ID;
var svgItem = svgDoc.getElementsByClassName('st107');
// Set the class to something else
if(scrollPosY > 100) {
svgItem.className = ('st1071');
} else if(scrollPosY <= 100) {
svgItem.className = ('st1071');
}
}
Unfortunately this isn't working for me. I'm not getting any errors from this, just nothing is happening.
I was wondering if any of you would know how to succeed at this?
Any responses would be massively appreciated!!
Many, many thanks,
Adam
javascript svg
javascript svg
asked Nov 13 '18 at 15:55
MadamotMadamot
82
asked Nov 13 '18 at 15:55
MadamotMadamot
82
asked Nov 13 '18 at 15:55
MadamotMadamot
82
asked Nov 13 '18 at 15:55
MadamotMadamot
82
asked Nov 13 '18 at 15:55
MadamotMadamot
82
82
Can you share the working code? Like building SVG and complete html/JS/CSS code! That would be helpful
– Nimit Shah
Nov 13 '18 at 17:44
1
Do you have to use it as an object? Why don't you use it as an inline SVG?
– enxaneta
Nov 13 '18 at 19:34
add a comment |
Can you share the working code? Like building SVG and complete html/JS/CSS code! That would be helpful
– Nimit Shah
Nov 13 '18 at 17:44
1
Do you have to use it as an object? Why don't you use it as an inline SVG?
– enxaneta
Nov 13 '18 at 19:34
Can you share the working code? Like building SVG and complete html/JS/CSS code! That would be helpful
– Nimit Shah
Nov 13 '18 at 17:44
Can you share the working code? Like building SVG and complete html/JS/CSS code! That would be helpful
– Nimit Shah
Nov 13 '18 at 17:44
1
1
Do you have to use it as an object? Why don't you use it as an inline SVG?
– enxaneta
Nov 13 '18 at 19:34
Do you have to use it as an object? Why don't you use it as an inline SVG?
– enxaneta
Nov 13 '18 at 19:34
add a comment |
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Can you share the working code? Like building SVG and complete html/JS/CSS code! That would be helpful
– Nimit Shah
Nov 13 '18 at 17:44
1
Do you have to use it as an object? Why don't you use it as an inline SVG?
– enxaneta
Nov 13 '18 at 19:34