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eval() in Lightning Web Components
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This code works in JS
<script>
let object_1 = "value";
window.console.log(eval("object_" + 1));
</script>
But I try to do it in LWC and I get the error that the variable is "undefined":
. . .
@api object_1;
. . .
connectedCallback()
this.object_1 = "test";
window.console.log(" 1: " + eval("this.object_" + 1) + " 2: " + eval("object_" + 1));
And the error that gives me:
"afterRender threw an error in 'c:my_component' [object_1 is not defined]"
javascript lightning-web-components javascript-controller
asked 8 hours ago
Alex M.Alex M.
677
add a comment |
This code works in JS
<script>
let object_1 = "value";
window.console.log(eval("object_" + 1));
</script>
But I try to do it in LWC and I get the error that the variable is "undefined":
. . .
@api object_1;
. . .
connectedCallback()
this.object_1 = "test";
window.console.log(" 1: " + eval("this.object_" + 1) + " 2: " + eval("object_" + 1));
And the error that gives me:
"afterRender threw an error in 'c:my_component' [object_1 is not defined]"
javascript lightning-web-components javascript-controller
asked 8 hours ago
Alex M.Alex M.
677
add a comment |
This code works in JS
<script>
let object_1 = "value";
window.console.log(eval("object_" + 1));
</script>
But I try to do it in LWC and I get the error that the variable is "undefined":
. . .
@api object_1;
. . .
connectedCallback()
this.object_1 = "test";
window.console.log(" 1: " + eval("this.object_" + 1) + " 2: " + eval("object_" + 1));
And the error that gives me:
"afterRender threw an error in 'c:my_component' [object_1 is not defined]"
javascript lightning-web-components javascript-controller
asked 8 hours ago
Alex M.Alex M.
677
This code works in JS
<script>
let object_1 = "value";
window.console.log(eval("object_" + 1));
</script>
But I try to do it in LWC and I get the error that the variable is "undefined":
. . .
@api object_1;
. . .
connectedCallback()
this.object_1 = "test";
window.console.log(" 1: " + eval("this.object_" + 1) + " 2: " + eval("object_" + 1));
And the error that gives me:
"afterRender threw an error in 'c:my_component' [object_1 is not defined]"
javascript lightning-web-components javascript-controller
javascript lightning-web-components javascript-controller
asked 8 hours ago
Alex M.Alex M.
677
asked 8 hours ago
Alex M.Alex M.
677
asked 8 hours ago
Alex M.Alex M.
677
asked 8 hours ago
Alex M.Alex M.
677
asked 8 hours ago
Alex M.Alex M.
677
677
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
The syntax for the second eval() misses this keyword while referring object_1
connectedCallback()
this.object_1 = "test";
console.log(" 1: " + eval("this.object_" + 1) + " 2: " + eval("this.object_" + 1));
Playground Link : https://developer.salesforce.com/docs/component-library/tools/playground/MIpc94lRV/1/edit
answered 8 hours ago
Pranay JaiswalPranay Jaiswal
20.2k53366
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
The syntax for the second eval() misses this keyword while referring object_1
connectedCallback()
this.object_1 = "test";
console.log(" 1: " + eval("this.object_" + 1) + " 2: " + eval("this.object_" + 1));
Playground Link : https://developer.salesforce.com/docs/component-library/tools/playground/MIpc94lRV/1/edit
answered 8 hours ago
Pranay JaiswalPranay Jaiswal
20.2k53366
add a comment |
The syntax for the second eval() misses this keyword while referring object_1
connectedCallback()
this.object_1 = "test";
console.log(" 1: " + eval("this.object_" + 1) + " 2: " + eval("this.object_" + 1));
Playground Link : https://developer.salesforce.com/docs/component-library/tools/playground/MIpc94lRV/1/edit
answered 8 hours ago
Pranay JaiswalPranay Jaiswal
20.2k53366
add a comment |
The syntax for the second eval() misses this keyword while referring object_1
connectedCallback()
this.object_1 = "test";
console.log(" 1: " + eval("this.object_" + 1) + " 2: " + eval("this.object_" + 1));
Playground Link : https://developer.salesforce.com/docs/component-library/tools/playground/MIpc94lRV/1/edit
answered 8 hours ago
Pranay JaiswalPranay Jaiswal
20.2k53366
The syntax for the second eval() misses this keyword while referring object_1
connectedCallback()
this.object_1 = "test";
console.log(" 1: " + eval("this.object_" + 1) + " 2: " + eval("this.object_" + 1));
Playground Link : https://developer.salesforce.com/docs/component-library/tools/playground/MIpc94lRV/1/edit
answered 8 hours ago
Pranay JaiswalPranay Jaiswal
20.2k53366
answered 8 hours ago
Pranay JaiswalPranay Jaiswal
20.2k53366
answered 8 hours ago
Pranay JaiswalPranay Jaiswal
20.2k53366
answered 8 hours ago
Pranay JaiswalPranay Jaiswal
20.2k53366
20.2k53366
add a comment |
add a comment |
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